Radian per second is unit of _______. (1) Momentum (2) Moment of Inertia (3) Frequency (4) Angle Velocity

Radian per second is unit of _______. (1) Momentum (2) Moment of Inertia (3) Frequency (4) Angle Velocity
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(4) Angle Velocity Explanation: The SI unit of angular velocity is radians per second.
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In physics, a radian per second squared is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.

Description : In physics, a radian per second squared is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.

Last Answer : ANSWER: Y -- ANGULAR ACCELERATION

In physics, a radian per second is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.

Description : In physics, a radian per second is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.

Last Answer : ANSWER: X -- ANGULAR VELOCITY 

The relationship among twisting moment(T) acting on a rotating shaft, power in watt(W), and angular velocity in radian per second(w) will be (a) T = W/w (b) W = Tw (c) W = T/w (d) none of these

Description : The relationship among twisting moment(T) acting on a rotating shaft, power in watt(W), and angular velocity in radian per second(w) will be (a) T = W/w (b) W = Tw (c) W = T/w (d) none of these

Last Answer : (b) W = Tw

The spokes used in the wheel of a bicycle increase its – (1) Moment of inertia (2) Velocity (3) Acceleration (4) Momentum

Description : The spokes used in the wheel of a bicycle increase its – (1) Moment of inertia (2) Velocity (3) Acceleration (4) Momentum

Last Answer : (1) Moment of inertia Explanation: A spoke is one of some number of rods radiating from the center of a wheel (the hub where the axle connects), connecting the hub with the round ... synthetic fibers, are also occasionally used. Metal spokes used in bicycles also increase the moment of inertia.

Total angular momentum of a body is given by A. I × ω; where I: moment of inertia of the body, ω: angular velocity B. I² × ω; where I: moment of inertia of the body, ω: angular velocity C. I² × ω²; where I: moment of inertia of the body, ω: angular velocity D. I × ω²; where I: moment of inertia of the body, ω: angular velocity

Description : Total angular momentum of a body is given by A. I ω; where I: moment of inertia of the body, ω: angular velocity B. I² ω; where I: moment of inertia of the body, ω: angular velocity C. I² ... the body, ω: angular velocity D. I ω²; where I: moment of inertia of the body, ω: angular velocity

Last Answer : I × ω; where I: moment of inertia of the body, ω: angular velocity

The spokes used in the wheel of a bicycle increase its (1) Moment of inertia (2) Velocity (3) Acceleration (4) Momentum

Description : The spokes used in the wheel of a bicycle increase its (1) Moment of inertia (2) Velocity (3) Acceleration (4) Momentum

Last Answer : Moment of inertia

Which of the following have the same unit? (1) Work and power (2) Torque and moment of inertia (3) Work and torque (4) Torque and angular momentum

Description : Which of the following have the same unit? (1) Work and power (2) Torque and moment of inertia (3) Work and torque (4) Torque and angular momentum

Last Answer : (3) Work and torque Explanation: The SI unit of work is the Newton-metre or joule (J). A Newton meter is also the SI unit of torque (also called "moment" or "moment of force").

Which of the following have the same unit ? (1) Work and power (2) Torque and moment of inertia (3) Work and torque (4) Torque and angular momentum

Description : Which of the following have the same unit ? (1) Work and power (2) Torque and moment of inertia (3) Work and torque (4) Torque and angular momentum 

Last Answer : Work and torque

The torque acting on a system is zero. Which of the following will be conserved? a.Angular velocity b.Linear momentum c.107 dynes d.Angular momentum e.Moment of inertia

Description : The torque acting on a system is zero. Which of the following will be conserved? a.Angular velocity b.Linear momentum c.107 dynes d.Angular momentum e.Moment of inertia

Last Answer : d. Angular momentum

If a gymnast sitting on a rotating stool, with his arms outstretched suddenly lowers his arm a.the angular velocity will remain constant b.the angular momentum will increase c.the angular velocity will decrease d.his moment of inertia will decrease e.107 dynes

Description : If a gymnast sitting on a rotating stool, with his arms outstretched suddenly lowers his arm a.the angular velocity will remain constant b.the angular momentum will increase c.the angular velocity will decrease d.his moment of inertia will decrease e.107 dynes

Last Answer : d. his moment of inertia will decrease

A sine wave has a frequency of 50 Hz. Its angular frequency is _______ radian/second.

Last Answer :  A sine wave has a frequency of 50 Hz. Its angular frequency is 100 n radian/second.

Out of the following pairs, which one does not have identical dimension? (1) Moment of inertia and moment of a force (2) Work and Torque (3) Angular momentum and Planck's constant (4) Impulse and Momentum

Description : Out of the following pairs, which one does not have identical dimension? (1) Moment of inertia and moment of a force (2) Work and Torque (3) Angular momentum and Planck's constant (4) Impulse and Momentum

Last Answer : (1) Moment of inertia and moment of a force

You are sitting in a frictionless barber chair. The barber decides to have some fun with you, so he spins the chair. As you spin, you find that you can slow down by extending your arms and legs. You have: w) decreased your angular momentum x) increased your angular momentum y) increased your moment of inertia z) changed the direction of the momentum vector

Description : You are sitting in a frictionless barber chair. The barber decides to have some fun with you, so he spins the chair. As you spin, you find that you can slow down by extending your ... increased your angular momentum y) increased your moment of inertia z) changed the direction of the momentum vector

Last Answer : ANSWER: Y --INCREASED YOUR MOMENT OF INERTIA

In a collision, which of the following four quantities is always conserved? w) momentum x) kinetic energy y) torque z) moment of inertia

Description : In a collision, which of the following four quantities is always conserved? w) momentum x) kinetic energy y) torque z) moment of inertia

Last Answer : ANSWER: W -- MOMENTUM

An ice skater is rotating with her arms extended. When she pulls in her arms her rate of rotation increases. Which of the following statements dealing with the process is TRUE? w) Her moment of inertia is increased. x) Kinetic energy is conserved. y) The skater does work when pulling in her arms. z) Angular momentum is increased.

Description : An ice skater is rotating with her arms extended. When she pulls in her arms her rate of rotation increases. Which of the following statements dealing with the process is TRUE? w) Her moment of ... conserved. y) The skater does work when pulling in her arms. z) Angular momentum is increased.

Last Answer : ANSWER: Y -- THE SKATER DOES WORK WHEN PULLING IN HER ARMS 

A person is hurt on kicking a stone due to – (1) Inertia (2) Velocity (3) Reaction (4) Momentum

Description : A person is hurt on kicking a stone due to – (1) Inertia (2) Velocity (3) Reaction (4) Momentum

Last Answer : (3) Reaction Explanation: Newton's third law states that "For every action, there is an equal and opposite reaction." The statement means that in every interaction, there is a pair of forces acting on ... the second object. So harder the stone is kicked, the harder will be its effect on the hitter.

A person is hurt on kicking a stone due to (1) Inertia (2) Velocity (3) Reaction (4) Momentum

Description : A person is hurt on kicking a stone due to (1) Inertia (2) Velocity (3) Reaction (4) Momentum

Last Answer : Reaction

Newton's second law states that the net force acting on a body is equal to the body's time rate of change of: w) acceleration x) mass y) momentum z) inertia

Description : Newton's second law states that the net force acting on a body is equal to the body's time rate of change of: w) acceleration x) mass y) momentum z) inertia

Last Answer : ANSWER: Y -- MOMENTUM

A girl throws a 0.1 kilogram ball at a wall. The ball hits the wall perpendicularly with a velocity of 5 meters per second and then bounces straight back with a velocity of 4 meters per second. The change in the momentum of the ball is: w) 0.1 kilogram-meters per second x) 0.4 kilogram-meters per second y) 0.5 kilogram-meters per second z) 0.9 kilogram-meters per second

Description : A girl throws a 0.1 kilogram ball at a wall. The ball hits the wall perpendicularly with a velocity of 5 meters per second and then bounces straight back with a velocity of 4 meters per second. The ... .4 kilogram-meters per second y) 0.5 kilogram-meters per second z) 0.9 kilogram-meters per second

Last Answer : ANSWER: Z -- 0.9 KILOGRAM-METERS PER SECOND 

ML2T-2 could be the dimension of a.107 dynes b.moment of force c.viscosity d.mass moment of inertia e.momentum

Description : ML2T-2 could be the dimension of a.107 dynes b.moment of force c.viscosity d.mass moment of inertia e.momentum

Last Answer : b. moment of force

Which of the following pair will have identical dimensions? a.Pressure and surface tension b.Work and kinetic energy c.Momentum and force d.Moment of inertia and angular momentum e.None of the above

Description : Which of the following pair will have identical dimensions? a.Pressure and surface tension b.Work and kinetic energy c.Momentum and force d.Moment of inertia and angular momentum e.None of the above

Last Answer : c. Momentum and force

The moment of inertia of a body does not depend upon its – (1) axis of rotation (2) angular velocity (3) form of mass (4) distribution of mass

Description : The moment of inertia of a body does not depend upon its – (1) axis of rotation (2) angular velocity (3) form of mass (4) distribution of mass

Last Answer : (2) angular velocity Explanation: Moment of inertia is the mass property of a rigid body that determines the torque needed for a desired angular acceleration about an axis of rotation. Moment of inertia ... of moments of inertia of the masses making up the whole object, under the same conditions.

In linear motion, the energy is given by 1⁄2mv2. Similarly, in rotational motion, the rotational energy is given by A. 1/2 × I × ω; where I: moment of inertia of the body, ω: angular velocity B. 1/2 × I² × ω; where I: moment of inertia of the body, ω: angular velocity C. 1/2 × I × ω²; where I: moment of inertia of the body, ω: angular velocity D. 1/2 × I² × ω²; where I: moment of inertia of the body, ω: angular velocity

Description : In linear motion, the energy is given by 1⁄2mv2. Similarly, in rotational motion, the rotational energy is given by A. 1/2 I ω; where I: moment of inertia of the body, ω: angular velocity B. 1/ ... angular velocity D. 1/2 I² ω²; where I: moment of inertia of the body, ω: angular velocity

Last Answer : 1/2 × I × ω²; where I: moment of inertia of the body, ω: angular velocity

The moment of inertia of a body does not depend upon its (1) axis of rotation (2) angular velocity (3) form of mass (4) distribution of mass

Description : The moment of inertia of a body does not depend upon its (1) axis of rotation (2) angular velocity (3) form of mass (4) distribution of mass

Last Answer : angular velocity

Radian is used to measure - (1) Temperature (2) Intensity of Flame (3) Angle (4) Solid Angle

Description : Radian is used to measure - (1) Temperature (2) Intensity of Flame (3) Angle (4) Solid Angle

Last Answer : (3) Angle Explanation: Kelvin is used to measure Temperature, Candela is used to measure Intensity of flame, Steredian is used to measure Solid Angle.

During the motion of a projectile fired from the earth surface, _______ (1) its kinetic energy remains constant (2) its momentum remains constant (3) vertical component of its velocity remains constant (4) horizontal component of its velocity remains constant

Description : During the motion of a projectile fired from the earth surface, _______ (1) its kinetic energy remains constant (2) its momentum remains constant (3) vertical component of its velocity remains constant (4) horizontal component of its velocity remains constant

Last Answer : horizontal component of its velocity remains constant

The inverse of wavelength is referred to as: w) wave number x) frequency y) velocity z) momentum

Description : The inverse of wavelength is referred to as: w) wave number x) frequency y) velocity z) momentum

Last Answer : ANSWER: W -- WAVE NUMBER

The Newton's First Law is also called as (1) Law of moments (2) Law of inertia (3) Law of energy (4) Law of momentum

Description : The Newton's First Law is also called as (1) Law of moments (2) Law of inertia (3) Law of energy (4) Law of momentum

Last Answer : (2) Law of inertia Explanation: According to Newton's first law, an object that is at rest will stay at rest unless an unbalanced force acts upon it and an object that is in motion will not change its velocity unless an unbalanced force acts upon it. So this law is known as the law of inertia.

The Newton's First Law is also called as – (1) Law of moments (2) Law of inertia (3) Law of energy (4) Law of momentum

Description : The Newton's First Law is also called as – (1) Law of moments (2) Law of inertia (3) Law of energy (4) Law of momentum

Last Answer : (2) Law of inertia Explanation: According to Newton's first law, an object that is at rest will stay at rest unless an unbalanced force acts upon it and an object that is in motion will not change its velocity unless an unbalanced force acts upon it. So this law is known as the law of inertia.

Newton's first law is also known as __. (1) Law of Friction (2) Law of Momentum (3) Law of Inertia (4) Law of Motion

Description : Newton's first law is also known as __. (1) Law of Friction (2) Law of Momentum (3) Law of Inertia (4) Law of Motion

Last Answer : (3) Law of Inertia Explanation: Newton's first law of motion is also known as the law of inenrtia. It states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

Newton's first law of motion gives the concept of – (1) Energy (2) Work (3) Momentum (4) Inertia

Description : Newton's first law of motion gives the concept of – (1) Energy (2) Work (3) Momentum (4) Inertia

Last Answer : (4) Inertia Explanation: Newton's laws of motion are three physical laws that form the basis for classical mechanics. They describe the relationship between the forces acting on a body and its motion due to ... of the object is constant. Newton's first law is often referred to as the law of inertia.

A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to – (1) Outward pull on him (2) Inertia of motion (3) Change in momentum (4) Change in acceleration

Description : A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to – (1) Outward pull on him (2) Inertia of motion (3) Change in momentum (4) Change in acceleration

Last Answer : (2) Inertia of motion Explanation: This is inertia of direction. It is the ability of body to be in a state of direction of motion for example sun holds planets in a fixed elliptical path .this ... at rest or moving with a constant velocity. It is the property possessed by a body to resist change.

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.

Newton's first law is often referred to as which of the following? w) The law of straight-line motion. x) The law of momentum y) The law of inertia z) F = ma (Spell out M-A)

Description : Newton's first law is often referred to as which of the following? w) The law of straight-line motion. x) The law of momentum y) The law of inertia z) F = ma (Spell out M-A)

Last Answer : ANSWER: Y -- THE LAW OF INERTIA

The Newton’s First Law is also called as (1) Law of moments (2) Law of inertia (3) Law of energy (4) Law of momentum

Description : The Newton’s First Law is also called as (1) Law of moments (2) Law of inertia (3) Law of energy (4) Law of momentum

Last Answer : Law of inertia

Newton’s first law of motion gives the concept of (1) energy (2) work (3) momentum (4) inertia

Description : Newton’s first law of motion gives the concept of (1) energy (2) work (3) momentum (4) inertia

Last Answer : inertia

A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to (1) Outward pull on him (2) Inertia of motion (3) Change in momentum (4) Change in acceleration

Description : A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to (1) Outward pull on him (2) Inertia of motion (3) Change in momentum (4) Change in acceleration

Last Answer : Inertia of motion

The GeV is a unit of: w) momentum x) energy y) velocity z) time

Description : The GeV is a unit of: w) momentum x) energy y) velocity z) time

Last Answer : ANSWER: X -- ENERGY

If two different gases have the same volume, temperature, and pressure and behave like ideal gases, they will also be identical in which one of the following ways? w) average molecular velocity x) total mass y) total molecular kinetic energy z) average momentum per molecule

Description : If two different gases have the same volume, temperature, and pressure and behave like ideal gases, they will also be identical in which one of the following ways? w) average molecular velocity x) total mass y) total molecular kinetic energy z) average momentum per molecule

Last Answer : ANSWER: Y -- TOTAL MOLECULAR KINETIC ENERGY

Moment of inertia acting on a semi-circle about symmetrical axes is given as _______ a. 1.57 r4 b. 0.055 r4 c. 0.392 r4 d. 0.11 r4

Description : Moment of inertia acting on a semi-circle about symmetrical axes is given as _______ a. 1.57 r4 b. 0.055 r4 c. 0.392 r4 d. 0.11 r4

Last Answer : c. 0.392 r4

Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to (A) Modulus of rigidity (B) Angle of twist (C) Reciprocal of the length of the shaft (D) Moment of inertia of the shaft section

Description : Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly  proportional to  (A) Modulus of rigidity  (B) Angle of twist  (C) Reciprocal of the length of the shaft  (D) Moment of inertia of the shaft section 

Last Answer : (D) Moment of inertia of the shaft section 

Which of the following laminas have same moment of inertia (Ixx = Iyy), when passed through the centroid along x-x and y-y axes? a. Circle b. Semi-circle c. Right angle triangle d. Isosceles triangle

Description : Which of the following laminas have same moment of inertia (Ixx = Iyy), when passed through the centroid along x-x and y-y axes? a. Circle b. Semi-circle c. Right angle triangle d. Isosceles triangle

Last Answer : a. Circle

The moment of inertia of a body does not depend upon a.The angular velocity of the body b.Mass of the body c.The distribution of mass in the body d.The axis of rotation of the body e.None of the above

Description : The moment of inertia of a body does not depend upon a.The angular velocity of the body b.Mass of the body c.The distribution of mass in the body d.The axis of rotation of the body e.None of the above

Last Answer : a. The angular velocity of the body

A current `i` ampere flows in a circular arc of wire whose radius is `R`, which subtend an angle `3pi//2` radian at its centre. The magnetic induction

Description : A current `i` ampere flows in a circular arc of wire whose radius is `R`, which subtend an angle `3pi//2` radian at its centre. The magnetic induction

Last Answer : A current `i` ampere flows in a circular arc of wire whose radius is `R`, which subtend an angle `3pi//2` radian at ... 0)i)/(R )` D. `3mu_(0)i)/(8R)`

A plane mirror rotating at an angular velocity of 3 radian/s reflects a light beam. The angular velocity of the reflected beam is -

Description : A plane mirror rotating at an angular velocity of 3 radian/s reflects a light beam. The angular velocity of the reflected beam is -

Last Answer : A plane mirror rotating at an angular velocity of 3 radian/s reflects a light beam. The angular velocity of the reflected beam is -

Consider the following assumption made in the analysis of a jet impinging normally on a moving plate to introduce the principle of moment of momentum: 1. Friction between jet and plate is neglected. 2. Flow is steady 3. Impinging momentum of jet is uncharged. 4. Plate moves at a constant velocity. Which of these statements are relevant? (a) 1, 2 & 4 only (b) 1, 2 & 3 only (c) 2, 3 and 4 only (d) 1, 2, 3 & 4

Description : Consider the following assumption made in the analysis of a jet impinging normally on a moving plate to introduce the principle of moment of momentum: 1. Friction between jet and plate is neglected. 2. Flow is steady 3. Impinging momentum of ... b) 1, 2 & 3 only (c) 2, 3 and 4 only (d) 1, 2, 3 & 4

Last Answer : (a) 1, 2 & 4 only

An increase in the mass moment of inertia results in ________ in vibration frequency. A. increase B. decrease C. unchanged D. none of the above

Description : An increase in the mass moment of inertia results in ________ in vibration frequency. A. increase B. decrease C. unchanged D. none of the above

Last Answer : B. decrease

The phase constant of a wave propagation with frequency of 35 radian/sec and time delay of 7.5 sec is a) 4.66 b) 262.5 c) 46.6 d) 26.25

Description : The phase constant of a wave propagation with frequency of 35 radian/sec and time delay of 7.5 sec is a) 4.66 b) 262.5 c) 46.6 d) 26.25

Last Answer : b) 262.5

The group delay of a wave with phase constant 2.5 units and frequency of 1.2 radian/sec is a) 3.7 b) 1.3 c) 3 d) 2.08

Description : The group delay of a wave with phase constant 2.5 units and frequency of 1.2 radian/sec is a) 3.7 b) 1.3 c) 3 d) 2.08

Last Answer : d) 2.08

Calculate the attenuation constant of a conductor of conductivity 200 units, frequency 1M radian/s in air. a) 11.2 b) 1.12 c) 56.23 d) 5.62

Description : Calculate the attenuation constant of a conductor of conductivity 200 units, frequency 1M radian/s in air. a) 11.2 b) 1.12 c) 56.23 d) 5.62

Last Answer : a) 11.2