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Work and Power Review

Work and Power Review

Assessment

Presentation

Science

12th Grade

Practice Problem

Easy

NGSS
MS-PS2-2, MS-PS3-5, MS-PS3-4

Standards-aligned

Created by

Justin T Jones

Used 2+ times

FREE Resource

13 Slides • 11 Questions

1

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2

Multiple Choice

What is the relationship between work and power in energy transfer?

1

Work is the same as power

2

Power is the rate of doing work

3

Work is not related to energy

4

Power is only about speed

3

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4

Open Ended

if you push a cart with a force of 60 N for 2 m... how much work have you done. Show all of your work.

5

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6

Multiple Choice

Question image
If 150 Joules of work is needed to move a box 10 meters, what force was used? 
1
1500 N
2
15 N
3
1.5 N
4
150 N

7

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8

Multiple Choice

In order to do work on an object, the force you exert must be...
1
The maximum amount of force you are able to exert.
2
In the same direction as the object's motion.
3
In a direction opposite to Earth's gravitational force.
4
quick and deliberate.

9

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10

Multiple Choice

A student pushes a desk with a constant force of 50 Newtons across the classroom floor for a distance of 3 meters. How much work was done on the desk?

1

50 Joules

2

100 Joules

3

150 Joules

4

200 Joules

11

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12

Fill in the Blank

13

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14

Fill in the Blank

15

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16

Multiple Choice

What is the definition of power in physics?

1

The rate at which work is done

2

The total energy consumed

3

The force applied over a distance

4

The mass of an object

17

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18

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19

Multiple Choice

What is the power output of Crane A and Crane B when lifting the same 1000N beam to a height of 10m?

1

500 Watts

2

1000 Watts

3

1500 Watts

4

2000 Watts

20

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21

Multiple Choice

Calculate the power used by the student running up the stairs if they do 2000 J of work in 5 seconds.

1

200 W

2

300 W

3

400 W

4

500 W

22

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23

Multiple Choice

If a machine does 300 joules of work in 15 seconds, what is its power output?

1

15 watts

2

20 watts

3

25 watts

4

30 watts

24

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