Free Printable Test - Impulse dan Momentum

Worksheets

Test - Impulse dan Momentum

Total questions: 25

Worksheet time: 1hrs 15mins

Name

Class

Date

The law of conservation of momentum states that,

p before is less than the p after

p before is the same as the p after

p before is more than the p after

The units for Impulse are

N/s

N.s

m/s

Momentum is a ____________________ quantity

science

scalar

vector

energy

T/F: A big truck will always have more momentum than a small car.

True

False

The equation to calculate momentum is

p=mv

p=1/2mv²

p=mgh

p=mg

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

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

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.

Which has more momentum?

A hummingbird zipping down the street (v = 1 m/s)

A bus stopped at a stop sign

A bus barreling down the road (v = 10 m/s)

A hummingbird hovering at a feeder

10.

The momentum of an object depends upon the object's ___________&_____________.

size and shape

mass and speed

mass and veloctiy

mass and energy

11.

A 2 kg cart has a momentum of 16 kg m/s. What is its velocity?

8 m/s

32 m/s

0.125 m/s

18 m/s

12.

What is the momentum if the mass is of an object is 50 kg and it has a velocity of 25 m/s?

2 kg.m/s

125 kg.m/s

10 kg.m/s

1250 kg.m/s

13.

What is the momentum if the mass is of an object is 35 kg and it has a velocity of 10 m/s?

3.5 kg.m/s

35 kg.m/s

0.3 kg.m/s

350 kg.m/s

14.

Cart A is pulled with a 2 Newton force for 2 seconds, and Cart B is pulled with a 1 Newton force for 3 seconds. Which cart experiences the greatest impulse?

Cart B

Cart A

they are the same

15.

If a 3 kg object has a momentum of 15 kg m/s, what is its velocity?

5 m/s

18 m/s

0.2 m/s

3 m/s

16.

Which of the following factors affect the momentum of an object?

Color and texture

Temperature and pressure

Mass and speed

Volume and density

17.

If a 5 N force is applied to an object for 4 seconds, and a 10 N force is applied to another object for 2 seconds, which object experiences a greater impulse?

The object with 5 N force for 4 seconds

The object with 10 N force for 2 seconds

Both objects experience the same impulse

18.

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

19.

Which takes more force to catch, a bowling ball or a ping pong ball?

bowling ball because it has more momentum

ping pong ball because it has more momentum

both require the same amount of force when catching

bowling ball because it has less momentum

20.

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

21.

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

22.

When the speed of an object is doubled, its momentum

remains unchanged in accord with the conservation of momentum.

doubles

quadruples

decreases

23.

The units for Impulse are

$N\cdot s$

m/s

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

24.

Which one of these objects has the greater amount of momentum?

A turtle that slowly crosses a road

A parked car

A stop sign

25.

If the car's engine provided 200N of force for 3.9 seconds, what is the impulse of the car?

780 kgm/s

51.3 kgm/s

0.0195 kgm/s

0 kgm/s

100 %

Test - Impulse dan Momentum

Total questions: 25

Worksheet time: 1hrs 15mins

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