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PHYSICS: Momentum, KE, Impulse and Collisions

Authored by Isaak Pearson

Physics

10th - 12th Grade

NGSS covered

Used 37+ times

PHYSICS:  Momentum, KE, Impulse and Collisions
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27 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

Tags

NGSS.HS-PS2-2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The units for Impulse are

N/s
N.s
N
m/s

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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
66 N.s 
None of these

Tags

NGSS.HS-PS2-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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.

Tags

NGSS.HS-PS2-3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

Tags

NGSS.HS-PS2-2

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s.  The impulse on the ball is  ______ N s.

-2.5
.
.
-10
-18
-45

Tags

NGSS.HS-PS2-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A constant force of 4.5 N acts on a 7.2-kg object for 10.0 s. What is the     change in the object's velocity? 

6.3 m/s
3.2 m/s
1.2 m/s 
4.33 m/s

Tags

NGSS.HS-PS2-1

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