Quiz about Change of Momentum

Question 1

The change in momentum is...

Accepted Answer

Impulse

Answer

Power

Answer

Energy

Answer

Force

Question 2

You are calculating the momentum of a 2 kg toy car moving along the sidewalk at a speed of 0.5 m/s. What would happen to the momentum if you doubled the mass of the car?

Accepted Answer

You would double the momentum.

Answer

You would triple the momentum.

Answer

You would half the momentum.

Answer

The momentum would not change.

Question 3

Momentum is a ____________________ quantity

Accepted Answer

vector

Answer

science

Answer

scalar

Answer

energy

Question 4

When the speed of an object is doubled, its momentum

Accepted Answer

doubles

Answer

remains unchanged in accord with the conservation of momentum.

Answer

quadruples

Answer

decreases

Question 5

In any collision (crash) the ______ is ALWAYS constant

Accepted Answer

Total Momentum

Answer

total speed

Answer

total Velocity

Answer

Energy

Question 6

What does the principle of conservation of momentum imply for a closed system?

Accepted Answer

The total momentum of the system before an event is equal to the total momentum after the event.

Answer

The total energy of the system is conserved.

Answer

The total mass of the system is conserved.

Answer

The total force acting on the system is zero.

Question 7

According to the Law of Conservation of Momentum, in the absence of external forces, the total momentum of a system

Accepted Answer

Remains constant

Answer

Increases over time

Answer

Decreases over time

Answer

Becomes zero

Question 8

The impulse acting on an object is always equal to its change in _____.

Accepted Answer

Momentum

Answer

Energy

Answer

Position

Answer

Velocity

Question 9

The total momentum before a collision is _________ the total momentum after a collision.

Accepted Answer

equal to

Answer

less than

Answer

more than

Answer

It depends on the type of collision

Question 10

This picture is an example of ____________

Accepted Answer

Elastic Collision

Answer

Inelastic collision

Question 11

If a momentum car is moving at 2 kg m/s and crashes into a stationary momentum car, how much momentum would transfer over to the stationary car?

Accepted Answer

all of the momentum

Answer

half of the momentum

Answer

a little bit of the momentum

Answer

zero momentum

Question 12

This picture is an example of ____________

Accepted Answer

Elastic Collision

Answer

Inelastic collision

Question 13

Why does a semi truck have more momentum than a car if they are both traveling at 60kph?

Accepted Answer

Truck is more massive

Answer

Truck is less massive

Answer

Car is moving faster

Answer

Car is more massive

Question 14

The change in momentum of an object is known as...

Accepted Answer

Impulse

Answer

Force

Answer

Energy

Answer

Velocity

Question 15

A 5 kg object moving at 3 m/s collides with a stationary 2 kg object. What is the total momentum of the system after the collision?

Accepted Answer

15 kg m/s

Answer

10 kg m/s

Answer

5 kg m/s

Answer

0 kg m/s

Question 16

Which of the following is a vector quantity?

Accepted Answer

Momentum

Answer

Speed

Answer

Distance

Answer

Time

Question 17

If the velocity of an object is tripled, its momentum will...

Accepted Answer

Triple

Answer

Double

Answer

Remain the same

Answer

Quadruple

Question 18

In a closed system, the total momentum before and after a collision is...

Accepted Answer

Equal

Answer

Greater

Answer

Less

Answer

Variable

Question 19

The impulse experienced by an object is equal to the change in its...

Accepted Answer

Momentum

Answer

Mass

Answer

Energy

Answer

Position

Question 20

A car of mass 1000 kg is moving with a velocity of 20 m/s. What is its momentum?

Accepted Answer

20000 kg m/s

Answer

10000 kg m/s

Answer

5000 kg m/s

Answer

40000 kg m/s

Question 21

What happens to the momentum of a system if no external forces act on it?

Accepted Answer

It remains constant

Answer

It increases

Answer

It decreases

Answer

It becomes zero

Question 22

A ball of mass 0.5 kg is thrown with a velocity of 10 m/s. What is the change in momentum if it comes to a stop?

Accepted Answer

5 kg m/s

Answer

10 kg m/s

Answer

0 kg m/s

Answer

15 kg m/s

Question 23

Which of the following best describes the relationship between force and change in momentum?

Accepted Answer

Force is the rate of change of momentum

Answer

Force is the product of momentum

Answer

Force is the sum of momentum

Answer

Force is unrelated to momentum

Question 24

A 2 kg object moving at 4 m/s collides with a 3 kg object moving at 2 m/s in the opposite direction. What is the total momentum of the system?

Accepted Answer

0 kg m/s

Answer

2 kg m/s

Answer

8 kg m/s

Answer

10 kg m/s

Question 25

If a force of 10 N is applied to an object for 2 seconds, what is the change in momentum?

Accepted Answer

20 kg m/s

Answer

10 kg m/s

Answer

5 kg m/s

Answer

15 kg m/s

Change of Momentum

25 questions

The change in momentum is...

You are calculating the momentum of a 2 kg toy car moving along the sidewalk at a speed of 0.5 m/s. What would happen to the momentum if you doubled the mass of the car?

Momentum is a ____________________ quantity

When the speed of an object is doubled, its momentum

In any collision (crash) the ______ is ALWAYS constant

What does the principle of conservation of momentum imply for a closed system?

According to the Law of Conservation of Momentum, in the absence of external forces, the total momentum of a system

The impulse acting on an object is always equal to its change in _____.

The total momentum before a collision is _________ the total momentum after a collision.

This picture is an example of ____________

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