Rate of change of momentum is - (1) Area (2) Pressure (3) Force (4) Velocity

Rate of change of momentum is - (1) Area (2) Pressure (3) Force (4) Velocity
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(3) Force Explanation: According to Newton’s Second Law of motion, the rate of change of momentum of an object is directly proportional to the resultant force applied and is in the direction of the resultant force.
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Last Answer : (1) Change in momentum Explanation: Impulse is a quantity that describes the effect of a net force acting on an object. The impulsemomentum theorem states that the change in momentum of an object equals the impulse applied to it.

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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

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

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Description : Direction of momentum is direction of object's A. mass B. acceleration C. velocity D. frictional force

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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

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Description : A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that - ... change in momentum (4) The initial momentum of the rubber ball is greater than that of the metal ball

Last Answer : (1) The rubber ball suffers greater change in 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 

A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that (1) The rubber ball suffers greater change in momentum (2) The metal ball suffers greater change in momentum (3) Both suffer the same change in momentum (4) The initial momentum of the rubber ball is greater than that of the metal ball

Description : A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that ( ... change in momentum (4) The initial momentum of the rubber ball is greater than that of the metal ball

Last Answer : The rubber ball suffers greater change in momentum 

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Last Answer : (A) Torque applied

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Description : The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called (A) Newton's law of motion (B) Newton's law of cooling (C) Newton's law of viscosity (D) Newton's law of resistance

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Last Answer : (d) 28 kgms-1

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

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

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

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Last Answer : linear momentum

An object travelling with constant velocity has A. constant momentum B. zero momentum C. increasing momentum D. decreasing momentum

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Last Answer : constant momentum

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Description : Momentum of electron having mass 9.1 × 10-31 kg and velocity 2.0 × 107 is A. 1.91 × 10-23 B. 2.34 × 10-23 C. 3.11 × 10-19 D. 7.88 × 10-34

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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

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Description : An object in equilibrium always has zero: w) velocity x) momentum y) mass z) acceleration.

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Consider a car driving around a circular bend in the road. Which of the following CANNOT be constant? w) velocity of car x) speed of car y) nonrelativistic mass of car z) angular momentum of the car about the center of the circle

Description : Consider a car driving around a circular bend in the road. Which of the following CANNOT be constant? w) velocity of car x) speed of car y) nonrelativistic mass of car z) angular momentum of the car about the center of the circle  

Last Answer : ANSWER: W -- VELOCITY OF CAR

Which of the following statements is TRUE about an ELASTIC collision between two particles? Is it true that: w) neither particle loses any of its kinetic energy x) neither particle loses any of its momentum y) the velocity gained by one particle is equal to that lost by the other z) the total kinetic energy before and after the collision remains constant

Description : Which of the following statements is TRUE about an ELASTIC collision between two particles? Is it true that: w) neither particle loses any of its kinetic energy x) neither particle loses any of ... that lost by the other z) the total kinetic energy before and after the collision remains constant

Last Answer : ANSWER: Z -- THE TOTAL KINETIC ENERGY BEFORE AND AFTER THE COLLISION RE

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 any collision, which of the following is conserved: w) kinetic energy x) velocity y) momentum z) potential energy

Description : In any collision, which of the following is conserved: w) kinetic energy x) velocity y) momentum z) potential energy

Last Answer : ANSWER: Y -- MOMENTUM

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

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

When the velocity of an object is tripled, another quantity which is tripled at the same time is the object's: w) momentum x) potential energy y) kinetic energy z) mass

Description : When the velocity of an object is tripled, another quantity which is tripled at the same time is the object's: w) momentum x) potential energy y) kinetic energy z) mass

Last Answer : ANSWER: W -- MOMENTUM

According to the kinetic theory, the Kelvin temperature of an ideal gas is proportional to which one of the following. Is the temperature proportional to the gas's average molecular: w) velocity x) momentum y) kinetic energy z) potential energy

Description : According to the kinetic theory, the Kelvin temperature of an ideal gas is proportional to which one of the following. Is the temperature proportional to the gas's average molecular: w) velocity x) momentum y) kinetic energy z) potential energy

Last Answer : ANSWER: Y -- KINETIC ENERGY

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 

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

If an electron and a photon have the same wavelength, then they will have the same (1) velocity (2) linear momentum (3) angular momentum (4) energy

Description : If an electron and a photon have the same wavelength, then they will have the same (1) velocity (2) linear momentum (3) angular momentum (4) energy

Last Answer : linear momentum

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

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

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

Plank's constant has the dimensions of (1) energy (2) linear momentum (3) angular momentum (4) force

Description : Plank's constant has the dimensions of (1) energy (2) linear momentum (3) angular momentum (4) force

Last Answer : (1) energy Explanation: The Planck's constant (h) can be defined as a pro-portionality constant that relates the energy (E) of a photon to the frequency (?) of its associated electro-magnetic ... Planck constant is named after Max Planck, the instigator of quantum theory, who discovered it in 1900.

While catching a ball, a player pulls down his hands to lower the - (1) force/cy (2) momentum (3) impulse (4) catching time

Description : While catching a ball, a player pulls down his hands to lower the - (1) force/cy (2) momentum (3) impulse (4) catching time

Last Answer : (3) impulse

Which of the following physical quantities has no dimension? (1) Force (2) Momentum (3) Impulse (4) Angle

Description : Which of the following physical quantities has no dimension? (1) Force (2) Momentum (3) Impulse (4) Angle

Last Answer : (4) Angle Explanation: Quantities having units, but no dimensions: Plane angle, angular displacement, solid angle. These physical quantities possess units but they does not possess dimensional formulas.