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Work & Energy

Work & Energy

Assessment

Presentation

Physics

10th Grade

Practice Problem

Medium

NGSS
HS-PS3-2, HS-PS3-1, MS-PS3-4

+3

Standards-aligned

Created by

Benjamin Flo

Used 3+ times

FREE Resource

20 Slides • 11 Questions

1

Work & Energy pt 2.

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6

Multiple Choice

If the object does not move then what is happening

1

nothing

2

work

3

power

4

no work is being done on the object

7

Multiple Choice

Work is

1

having a job

2

movement

3

energy transfer

4

energy transfer to an object

8

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9

Multiple Choice

Calculate the PE of a 2 kg cat perched 10 meters above the ground. 
1
20 J
2
200 J
3
2.04 J
4
200 W

10

Multiple Choice

Calculate the work needed to raise a 3 kg cat up to a height of
4 m.
1
12 J
2
0 J
3
120 J
4
1.22 J

11

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12

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13

Multiple Choice

The work-kinetic energy theorem says that the net work done by all the forces acting on an object is equal to the change in the object's _____.
1
mechanical energy
2
work
3
momentum
4
kinetic energy

14

Multiple Choice

How much work is done on a vacuum cleaner pulled 3 m by a force of 50 N at an angle of 30-degrees above the horizontal?
1
50J
2
80J
3
130J
4
240J

15

Multiple Choice

What is the work done when a 20-N force pushes a cart 3.5 m?
1
70J
2
6.8J
3
23.5J
4
17.5J

16

Multiple Choice

Calculate the Kinetic Energy (KE) of a girl whose mass is 50 kg who is moving at 4 m/s.
1
200 J
2
800 J
3
400 J
4
100 J

17

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29

Multiple Choice

How much work is done on a 200-kg crate that is hoisted 2 m in a time of 4 s?

1

400 J

2

1000 J

3

1600 J

4

4000 J

30

Multiple Choice

A major league pitcher can throw a baseball with a kinetic energy of 150 J. How much work must the pitcher do to the ball to give it that much KE?

1

150 J

2

0

3

Can’t tell without knowing the mass of the ball

31

Multiple Choice

Which of the following objects has the most kinetic energy?
1
A 20 kg toddler running at 5 m/s
2
A 50 kg toddler running at  30 m/s
3
A 90 kg toddler running at 30 m/s
4
A 100 kg  toddler running at 2 m/s

Work & Energy pt 2.

Good Things!


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