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Chapter 4 Work Power and Energy Test

Authored by Jennifer Morosko

Physics

9th Grade

Used 48+ times

Chapter 4 Work Power and Energy Test
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The use of a force to move an object some distance is called

mass

work

power

time

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If it takes 500 Joules to move an object in 10 seconds, what is the power output?

50 N

5,000 N

5,000 W

50 W

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The basic metric system unit of power is the

Joule

Newton

Meter

Watt

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do we call the rate at which work is done?

Efficiency

Work Input

Work output

Power

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a person weighing 400 N takes 6 seconds to walk up a staircase that is 3 meters high, what is his power output?

200 W

1200 W

6000 W

7200 W

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these does not represent work done on a rock in the scientific sense?

lifting a rock

throwing a rock

holding a rock

dropping a rock

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A simple machine is

a tool that makes work easier

a tool with many moving parts

a force of attraction

the measurement from top to bottom of an object

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