The study of particles or bodies when they are at rest or in motion is dealt with?

The study of particles or bodies when they
are at rest or in motion is dealt with?
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Mechanics
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Which of the following statements about inclusion bodies is incorrect? (a) They are not bound by any membrane. (b) These are involved in ingestion of food particles. (c) They lie free in the cytoplasm. (d) These represent reserve material in cytoplasm.

Description : Which of the following statements about inclusion bodies is incorrect? (a) They are not bound by any membrane. (b) These are involved in ingestion of food particles. (c) They lie free in the cytoplasm. (d) These represent reserve material in cytoplasm.

Last Answer : (b) These are involved in ingestion of food particles

A body of mass M traveling with velocity v strikes body of mass M at rest. If the two bodies stick together during the collision, the loss of KE in the collision is (a) ½ initial KE (b) initial KE (c) All the initial KE (d) No loss of KE

Description : A body of mass M traveling with velocity v strikes body of mass M at rest. If the two bodies stick together during the collision, the loss of KE in the collision is (a) ½ initial KE (b) initial KE (c) All the initial KE (d) No loss of KE

Last Answer : Ans:(a)

Let the only force acting on two bodies be their mutual interactions. If both bodies start from rest, the distances travelled by each will be a a.proportional to the respective masses of the bodies b.107 dynes c.inversely proportional to the respective masses of the bodies d.directly proportional to the square of the respective masses of the bodies e.inversely proportional to the square of the respective masses of the bodies

Description : Let the only force acting on two bodies be their mutual interactions. If both bodies start from rest, the distances travelled by each will be a a.proportional to the respective masses of the ... masses of the bodies e.inversely proportional to the square of the respective masses of the bodies

Last Answer : c. inversely proportional to the respective masses of the bodies

If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Description : If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Last Answer : (2) momentum Explanation: If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same momentum.

If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Description : If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Last Answer : (2) momentum Explanation: If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same momentum.

What records a country's transactions (made by individuals, firms and government bodies.) with the rest of the world? a) Trade deficit b) Capital Budget c) Foreign imports d) Balance of Payments or BoP

Description : What records a country's transactions (made by individuals, firms and government bodies.) with the rest of the world? a) Trade deficit b) Capital Budget c) Foreign imports d) Balance of Payments or BoP

Last Answer : b) other things remaining equal

___is defined as clumping of particles that have antigen on their surface and is brought about by anti-bodies. a) Agglutination b) Hemolysis c) Reaction

Description : ___is defined as clumping of particles that have antigen on their surface and is brought about by anti-bodies. a) Agglutination b) Hemolysis c) Reaction

Last Answer : a) Agglutination is defined as clumping of particles that have antigen on their surface and is brought about by antibodies. Agglutination is a phenomenon that occurs when there are particles with antigens on ... reactions. In this context, it's not specific enough to be an answer to the question.

Which of the following statement is false? a.The potential energy of a particle has the form Ep = k2x. The force acting on the particle is constant (k is a constant) b.The linear velocity of bodies near the earth's equator (due to rotation of earth) is more than the velocities of particles at the pole c.107 dynes d.A cyclist should move along a zig-zag path while ascending a steep hill e.The density of milk decreases when cream is taken out of milk

Description : Which of the following statement is false? a.The potential energy of a particle has the form Ep = k2x. The force acting on the particle is constant (k is a constant) b.The linear velocity of ... zag path while ascending a steep hill e.The density of milk decreases when cream is taken out of milk

Last Answer : e. The density of milk decreases when cream is taken out of milk

Kinetic friction is a.Maximum value of frictional force when a body is about to move b.Friction between two well lubricated bodies c.Friction force acting when the body is in motion d.Driction force which keeps a body in motion e.None of the above

Description : Kinetic friction is a.Maximum value of frictional force when a body is about to move b.Friction between two well lubricated bodies c.Friction force acting when the body is in motion d.Driction force which keeps a body in motion e.None of the above

Last Answer : c. Friction force acting when the body is in motion

The moment of a force a.Occurs about a point b.Measures the capacity to do useful work c.Occurs only when bodies are in motion d.Measures the ability to produce turning or twisting about an axes e.None of the above

Description : The moment of a force a.Occurs about a point b.Measures the capacity to do useful work c.Occurs only when bodies are in motion d.Measures the ability to produce turning or twisting about an axes e.None of the above

Last Answer : d. Measures the ability to produce turning or twisting about an axes

Coulomb friction is a.Friction between solids and liquids b.Friction between electrically charged bodies c.Friction between lubricated surface d.Friction between dry surfaces e.Friction between bodies having relative motion

Description : Coulomb friction is a.Friction between solids and liquids b.Friction between electrically charged bodies c.Friction between lubricated surface d.Friction between dry surfaces e.Friction between bodies having relative motion

Last Answer : d. Friction between dry surfaces

a naturally occurring force related to two bodies in motion is _______ force. -General Knowledge

Description : a naturally occurring force related to two bodies in motion is _______ force. -General Knowledge

Last Answer : A naturally occurring force related to two bodies in motion is frictional force.

Sound waves are produced by - (1) Linear motion (2) Circular motion (3) Vibrating bodies (4) Transitional motion

Description : Sound waves are produced by - (1) Linear motion (2) Circular motion (3) Vibrating bodies (4) Transitional motion

Last Answer : (3) Vibrating bodies Explanation: Sound is produced when something vibrates. The vibrating body causes the medium (water, air, etc.) around it to vibrate.

Coulomb friction is the friction between (A) Bodies having relative motion (B) Two dry surfaces (C) Two lubricated surfaces (D) Solids and liquids

Description : Coulomb friction is the friction between  (A) Bodies having relative motion  (B) Two dry surfaces  (C) Two lubricated surfaces  (D) Solids and liquids 

Last Answer : (A) Bodies having relative motion 

is a combination of rigid or resistant Bodies having definite motion and capable of performing useful work a) Tool. c) Implement b) Machine. d) None of the above

Description : is a combination of rigid or resistant Bodies having definite motion and capable of performing useful work a) Tool. c) Implement b) Machine. d) None of the above

Last Answer : Machine.

Pick up the correct statement from the following: (A) To an agriculturist, soil is the substance existing on the earth's surface, which grows and develops plants (B) To a geologist, soil is the material in a relatively thin surface zone within which roots occur, and rest of the crust is termed as rock irrespective of hardness (C) To an engineer, soil is the unaggregated and uncemented deposits of minerals and organic particles covering the earth's crust (D) All the above

Description : Pick up the correct statement from the following: (A) To an agriculturist, soil is the substance existing on the earth's surface, which grows and develops plants (B) To a geologist, soil ... and uncemented deposits of minerals and organic particles covering the earth's crust (D) All the above

Last Answer : (D) All the above

As the train starts moving, a man sitting inside leans backwards because of (a) Inertia of rest (b) Inertia of motion (c) Moment of inertia (d) Conservation of mass

Description : As the train starts moving, a man sitting inside leans backwards because of (a) Inertia of rest (b) Inertia of motion (c) Moment of inertia (d) Conservation of mass

Last Answer : Ans:(a)

A particle starts from rest and moves in a straight line whose equation of motion is given by S = 2t3 - t2 - 1. The acceleration of the particle after one sec will be a.6 m/sec2 b.4 m/sec2 c.12 m/sec2 d.10 m/sec2 e.8 m/sec2

Description : A particle starts from rest and moves in a straight line whose equation of motion is given by S = 2t3 - t2 - 1. The acceleration of the particle after one sec will be a.6 m/sec2 b.4 m/sec2 c.12 m/sec2 d.10 m/sec2 e.8 m/sec2

Last Answer : d. 10 m/sec2

A car accelerates from rest at a constant rate of `2 m//s^(2)` and comes to rest. If it remains in motion for 3 seconds, then the maximum speed attain

Description : A car accelerates from rest at a constant rate of `2 m//s^(2)` and comes to rest. If it remains in motion for 3 seconds, then the maximum speed attain

Last Answer : A car accelerates from rest at a constant rate of `2 m//s^(2)` and comes to rest. If it remains in motion for 3 ... s B. 3 m/s C. 4 m/s D. 6 m/s

Why is it difficult to push a stalled car from rest than to keep it in motion once it has started to run?

Description : Why is it difficult to push a stalled car from rest than to keep it in motion once it has started to run?

Last Answer : You have to overcome the inertia to move anything from astandstillYes, That's Newton's Law of Motion: An object not in motion willremain not in motion until acted upon by a outside force, and ... Newtons exact words, I pulledthat from memory but it's something like that. The end meaning thesame

While dusting a carpet, we give a sudden jerk or beat it with a stick because _____. A. Inertia of rest keeps the dust in its position and the dirt is removed by the movement of carpet away B. Inertia of motion removes the dust C. The jerk compensates for the force of adhesion between the dust and the carpet and the dust is removed D. None of the these

Description : While dusting a carpet, we give a sudden jerk or beat it with a stick because _____. A. Inertia of rest keeps the dust in its position and the dirt is removed by the movement of carpet away B. ... the force of adhesion between the dust and the carpet and the dust is removed D. None of the these

Last Answer : ANSWER: B

When a running car stops suddenly, the passengers tends to lean forward because of: (1) centrifugal force (2) inertia of rest (3) inertia of motion (4) gravitational force

Description : When a running car stops suddenly, the passengers tends to lean forward because of: (1) centrifugal force (2) inertia of rest (3) inertia of motion (4) gravitational force

Last Answer : (3) inertia of motion Explanation: When a running car stops suddenly, the passengers tend to lean forward due to inertia of motion. Inertia is that property of a body due to which it resists a change in its state of rest or of uniform motion.

Magnetism in materials is due to - (1) electrons at rest (2) circular motion of electrons (3) protons at rest (4) all neutrons at rest

Description : Magnetism in materials is due to - (1) electrons at rest (2) circular motion of electrons (3) protons at rest (4) all neutrons at rest

Last Answer : (2) circular motion of electrons Explanation: Myopia is commonly known shortsighted. It is a condition of the eye where the light that comes in does not directly focus on the retina but in ... most commonly correct myopia through the use of corrective lenses, such as glasses or contact lenses.

Which of the following physical quantities changes or tends to change the state of rest or of uniform motion of a body in a straight line? (1) Momentum (2) Mass (3) Force (4) Inertia

Description : Which of the following physical quantities changes or tends to change the state of rest or of uniform motion of a body in a straight line? (1) Momentum (2) Mass (3) Force (4) Inertia

Last Answer : (3) Force Explanation: Force is an agent which changes or tends to change the state of rest or of uniform motion of a body.

An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's – (1) First law (2) Second law (3) Third law (4) Fourth law

Description : An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's – (1) First law (2) Second law (3) Third law (4) Fourth law

Last Answer : (1) First law Explanation: Newton's first law of motion - sometimes referred to as the law of inertia-states that every object will remain at rest or in uniform motion in a straight line unless ... its state by the action of an external force. This is normally taken as the definition of inertia.

An object whose velocity is changing is said to be in a state of A. acceleration B. rest C. equilibrium D. Brownian motion

Description : An object whose velocity is changing is said to be in a state of A. acceleration B. rest C. equilibrium D. Brownian motion

Last Answer : acceleration

Pascal's law is valid, only when the fluid is (A) Frictionless and at rest (B) At rest (C) At rest and when the frictionless fluid is in motion (D) None of these

Description : Pascal's law is valid, only when the fluid is (A) Frictionless and at rest (B) At rest (C) At rest and when the frictionless fluid is in motion (D) None of these

Last Answer : (B) At rest

The pressure intensity is the same in all directions at a point in a fluid (A) Only when the fluid is frictionless (B) Only when the fluid is at rest having zero velocity (C) When there is no motion of one fluid layer relative to an adjacent layer (D) Regardless of the motion of one fluid layer relative to an adjacent layer

Description : The pressure intensity is the same in all directions at a point in a fluid (A) Only when the fluid is frictionless (B) Only when the fluid is at rest having zero velocity (C) When there is ... relative to an adjacent layer (D) Regardless of the motion of one fluid layer relative to an adjacent layer

Last Answer : C) When there is no motion of one fluid layer relative to an adjacent layer

The normal stress is the same in all directions at a point in a fluid, only when the fluid (A) Is at rest & has zero viscosity (B) Is frictionless (C) Fluid layer has no motion relative to an adjacent layer of fluid (D) is incompressible & frictionless

Description : The normal stress is the same in all directions at a point in a fluid, only when the fluid (A) Is at rest & has zero viscosity (B) Is frictionless (C) Fluid layer has no motion relative to an adjacent layer of fluid (D) is incompressible & frictionless

Last Answer : (D) is incompressible & frictionless

Fluid is a substance that (A) Cannot be subjected to shear forces (B) Always expands until it fills any container (C) Has the same shear stress at a point regardless of its motion (D) Cannot remain at rest under action of any shear force

Description : Fluid is a substance that (A) Cannot be subjected to shear forces (B) Always expands until it fills any container (C) Has the same shear stress at a point regardless of its motion (D) Cannot remain at rest under action of any shear force

Last Answer : Answer: Option D

Tick the wrong statement. a) Velocity of light is independent of the motion of the observer. b) Velocity of light in free space is the same in all directions. c) Velocity of light in free space is different in different directions. d) Absolute motion or absolute rest is meaningless to talk about

Description : Tick the wrong statement. a) Velocity of light is independent of the motion of the observer. b) Velocity of light in free space is the same in all directions. c) Velocity of light in free space is different in different directions. d) Absolute motion or absolute rest is meaningless to talk about

Last Answer : c) Velocity of light in free space is different in different directions

The law or principle which states that a body in a state of rest or motion at constant velocity will remain in that state is known as?

Description : The law or principle which states that a body in a state of rest or motion at constant velocity will remain in that state is known as?

Last Answer : ANSWER: NEWTON'S FIRST LAW or THE LAW OF INERTIA

Which of the following statements dealing with simple harmonic motion of a mass-spring system is TRUE? w) The acceleration is largest when the oscillating mass is instantaneously at rest. x) The larger the spring force constant the larger the period. y) The period of the motion depends linearly on the amplitude of the motion. z) The acceleration is larger when the oscillating mass has its greatest velocity.

Description : Which of the following statements dealing with simple harmonic motion of a mass-spring system is TRUE? w) The acceleration is largest when the oscillating mass is instantaneously at rest. x) The ... of the motion. z) The acceleration is larger when the oscillating mass has its greatest velocity.

Last Answer : ANSWER: W -- THE ACCELERATION IS LARGEST WHEN THE OSCILLATING MASS IS INSTANTANEOUSLY AT REST 

When a running car stops suddenly, the passengers tends to lean forward because of: (1) centrifugal force (2) inertia of rest (3) inertia of motion (4) gravitational force

Description : When a running car stops suddenly, the passengers tends to lean forward because of: (1) centrifugal force (2) inertia of rest (3) inertia of motion (4) gravitational force

Last Answer : inertia of motion

Magnetism in materials is due to (1) electrons at rest (2) circular motion of electrons (3) protons at rest (4) all neutrons at rest

Description : Magnetism in materials is due to (1) electrons at rest (2) circular motion of electrons (3) protons at rest (4) all neutrons at rest

Last Answer : circular motion of electrons

The statement the resultant of the external forces applied to a body (rigid or non-rigid) composed of a system of particles is equivalent to the vector summation of the effective forces acting on all particles-is known as a.Corollary to Newton's laws of motion b.Principle of dynamics c.D' Alembert's principle d.Nowton's law e.Mohr's principle

Description : The statement the resultant of the external forces applied to a body (rigid or non-rigid) composed of a system of particles is equivalent to the vector summation of the effective forces acting on all ... motion b.Principle of dynamics c.D' Alembert's principle d.Nowton's law e.Mohr's principle

Last Answer : c. D' Alembert's principle

How does decreasing the temperature of a solid affect the motion of the particles in the solid?

Description : How does decreasing the temperature of a solid affect the motion of the particles in the solid?

Last Answer : Decreasing the temperature slows down the motion of theparticles, i.e. decreases the kinetic energy.

In which type of waves is the motion of the particles perpendicular to the direction of the wave is traveling?

Description : In which type of waves is the motion of the particles perpendicular to the direction of the wave is traveling?

Last Answer : transverse waves

For motion of spherical particles in a stationary fluid, the drag co￾efficient in hindered settling compared to that in free settling is (A) More (B) Less (C) Equal (D) More or less, depending on the type of particle

Description : For motion of spherical particles in a stationary fluid, the drag co￾efficient in hindered settling compared to that in free settling is (A) More (B) Less (C) Equal (D) More or less, depending on the type of particle

Last Answer : (A) More

The ratio of the wall drag to the form drag in the Stoke's law range (for motion of spherical particles in a stationary fluid) is (A) 0.5 (B) 1 (C) 2 (D) 0.33

Description : The ratio of the wall drag to the form drag in the Stoke's law range (for motion of spherical particles in a stationary fluid) is (A) 0.5 (B) 1 (C) 2 (D) 0.33

Last Answer : (C) 2

Drag co-efficient for motion of spherical particles in a stationary fluid in the stoke's law range is (A) 24/NRe,P (B) 16/NRe,P (C) 64/NRe,P (D) 48/NRe,P

Description : Drag co-efficient for motion of spherical particles in a stationary fluid in the stoke's law range is (A) 24/NRe,P (B) 16/NRe,P (C) 64/NRe,P (D) 48/NRe,P

Last Answer : (A) 24/NRe,P

Flagella move the cell by A- .many flagella beating in a synchronous, whip-like motion B- an individual flagellum beating in a whip-like motion C- spinning like a propellerD- attaching to nearby particles and contracting

Description : Flagella move the cell by A- .many flagella beating in a synchronous, whip-like motion B- an individual flagellum beating in a whip-like motion C- spinning like a propeller D- attaching to nearby particles and contracting

Last Answer : spinning like a propeller

Flagella move the cell by A- many flagella beating in a synchronous, whip-like motion B- an individual flagellum beating in a whip-like motion C- spinning like a propeller D-.attaching to nearby particles and contracting

Description : Flagella move the cell by A- many flagella beating in a synchronous, whip-like motion B- an individual flagellum beating in a whip-like motion C- spinning like a propeller D-.attaching to nearby particles and contracting

Last Answer : spinning like a propeller

Which one of the following statement is incorrect regarding the electromagnetic radiation? (A) These are produced by the motion of electric charge (B) The oscillation of charged particles sets up changing electric fields (C) The changing electric fields induce the changing magnetic fields in the surrounding medium (D) None of these

Description : Which one of the following statement is incorrect regarding the electromagnetic radiation? (A) These are produced by the motion of electric charge (B) The oscillation of charged particles sets up ... electric fields induce the changing magnetic fields in the surrounding medium (D) None of these

Last Answer : Answer: Option D

A magnetic field acts on a charged particles so as to change its: a. speed b. energy c. direction of motion d. all of these

Description : A magnetic field acts on a charged particles so as to change its: a. speed b. energy c. direction of motion d. all of these

Last Answer : Only direction of motion will change ...it means velocity will change but speed same

In liquids and gases the current is due to the motion a. negative charges b. positive charges c. both negative and positive charges d. neutral particles

Description : In liquids and gases the current is due to the motion a. negative charges b. positive charges c. both negative and positive charges d. neutral particles

Last Answer : c. both negative and positive charges

A charged particle is moving in a UNIFORM magnetic field. If the direction of motion of the charged particle is at right angles to the magnetic field, describe the shape of the charged particle's path.

Description : A charged particle is moving in a UNIFORM magnetic field. If the direction of motion of the charged particle is at right angles to the magnetic field, describe the shape of the charged particle's path.

Last Answer : ANSWER: CIRCULAR or CIRCLE

The random motion of particles suspended in a fluid is called: w) Boson Condensation x) Fermi Motion y) Brownian Motion z) Pauli Motion

Description : The random motion of particles suspended in a fluid is called: w) Boson Condensation x) Fermi Motion y) Brownian Motion z) Pauli Motion

Last Answer : ANSWER: Y -- BROWNIAN MOTION

A charged particle is moving in a UNIFORM magnetic field. If the direction of motion of the charged particle is parallel to the magnetic field, describe the shape of the charged particle's path.

Description : A charged particle is moving in a UNIFORM magnetic field. If the direction of motion of the charged particle is parallel to the magnetic field, describe the shape of the charged particle's path. 

Last Answer : ANSWER: STRAIGHT LINE

Which of the following statements is not one of the three basic assumptions of the kinetic theory? w) Matter is composed of very tiny particles. x) The particles of matter are in constant motion. y) The particles of matter lose energy in collisions.

Description : Which of the following statements is not one of the three basic assumptions of the kinetic theory? w) Matter is composed of very tiny particles. x) The particles of matter are in constant motion. y) The particles of matter lose energy in collisions. 

Last Answer : ANSWER: Y -- THE PARTICLES OF MATTER LOSE ENERGY IN COLLOSIONS