Conservation of Linear Momentum and Newton's Laws Quiz

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According to Newton’s first law, what can be said about a body when the net external force acting on it is zero?

It moves in a circular path

It accelerates

It increases velocity continuously

It remains at rest (correct)

What is the quantity called that is defined as the product of mass and velocity of a particle?

Frictional force

Linear momentum (correct)

Acceleration

Inertia

If a system of particles experiences no net external force, according to the law of conservation of momentum, what happens to the total momentum of the system?

It decreases

It becomes zero

It remains constant (correct)

It increases

What does Newton's third law of motion state about the forces between two interacting bodies?

They are opposite and equal Signup and view all the answers

When can concurrent forces be considered to be in equilibrium?

When their resultant is zero Signup and view all the answers

According to Newton's second law of motion, what happens to the momentum of a body when no force acts on it?

It remains unchanged Signup and view all the answers

What type of force acts on a body when it tries to slide or roll along a surface?

'Frictional' force Signup and view all the answers

How does Newton's third law contribute to the conservation of momentum in a system of two bodies?

It ensures that the total momentum of the system is constant Signup and view all the answers

For an isolated system of two bodies A and B interacting with each other, what does Δptotal = 0 imply?

The total momentum of the system remains constant Signup and view all the answers

How is momentum conserved in a collision where two bodies interact with each other for a period of time?

The total change in momentum for both bodies is zero Signup and view all the answers

In the context of the recoil of a gun when a bullet is fired, how does the law of conservation of momentum explain the velocity of gun recoil?

The gun recoils at a velocity inversely proportional to the bullet's mass Signup and view all the answers

What conclusion can be drawn about an isolated system if there is no change in the total momentum?

The total momentum in that system is conserved Signup and view all the answers

What is the term used for a reference frame relative to which a body in translatory motion has constant velocity when no net external force acts on it?

Inertial frame of reference Signup and view all the answers

According to Newton's first law of motion, what happens to a body if no net external force acts on it?

It moves with constant velocity Signup and view all the answers

Which physical quantity is a measure of the inertia of a body?

Mass Signup and view all the answers

In the absence of external forces, what type of motion does a body exhibit?

Uniform linear motion Signup and view all the answers

What would happen to an object in motion if no net external force is acting on it?

It would continue to move at a constant velocity Signup and view all the answers

What is the effect on the motion of a body when a net external force is applied to it?

It experiences acceleration Signup and view all the answers