Free Printable Impulse & momentum

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Impulse & momentum

Total questions: 17

Worksheet time: 19mins

Name

Class

Date

A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?

25 m/s

375 m/s

25 kg m/s

375 kg m/s

A runner has a momentum of 670 kg m/s and is traveling at a velocity of 9 m/s. What is his mass?

6030 kg

0.0134 kg

74.4 kg

80 kg

A 5 N force is applied to a 3 kg ball to slow it down from 9 m/s to 3 m/s. What is the impulse on the ball?

-2.5 N⋅s

-10 N⋅s

-18 N⋅s

-45 N⋅s

An object with a mass of 2000 kg at rest has what momentum?

2000 kg m/sec

0 kg m/sec

2000 kg

2000 m/sec

A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s. Calculate the impulse on the ball.

1 N⋅s

6 N⋅s

33.3 N⋅s

A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball.

55 kg*m/s

100 kg*m/s

250 kg*m/s

500 kg*m/s

The units for Impulse are

$N\cdot s$

m/s

$kg\cdot\frac{m}{s}$

The purpose of crumble zones on a car is to

decrease time of impact.

increase force of impact.

increase the time of impact.

decrease the impulse during impact.

The impulse-momentum theorem states that

the impulse on an object is equal to the change in momentum it causes

the force on a moving object is equal to the magnitude of the impulse.

the impulse on an object is greater than the change in momentum it causes

the impulse on an object is less than the change in momentum it causes

10.

The SI unit for momentum is:

N^.kg

N^.m/s

m/s^.N

kg^.m/s

11.

Check ALL that apply.

Impulse is:

The force that creates an acceleration.

The change in momentum.

the change in velocity that can be caused by a constant force over some discrete amount of time.

A vector

NOT a vector

12.

During a collision. an object experiences an impulse. The impulse causes and is equal to the _____ of the object

energy change

kinetic energy change

force

momentum

momentum change

13.

An egg is thrown at a wall and at a bed sheet. The egg's change in velocity will be

Greater for the wall collision

Greater for the sheet collision

Change in velocity is equal

14.

Which of the following has the smallest amount of momentum?

A semi-truck traveling at highway speeds

A college track athlete running a race

A baby crawling on the floor

A student sitting at a desk

15.

Which of the following has the largest amount of momentum?

A semi-truck traveling at highway speeds

A college track athlete running a race

A baby crawling on the floor

A student sitting at a desk

16.

The purpose of air bags on a car is to

decrease time of impact.

increase force of impact.

increase the time of impact.

decrease the impulse during impact.

17.

The difference between a car hitting a wall vs. a car hitting a hay stack is

the Impulse on the car hitting the wall is greater

the change in momentum of the car hitting the wall is greater

the force on the car hitting the hay stack is greater

the collision time of the car hitting the hay stack is greater

Reset

Impulse & momentum

Total questions: 17

Worksheet time: 19mins

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