Work and Power

Work and Power

Assessment

Flashcard

Science

8th - 9th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula for calculating power?

Back

Power (P) = Work (W) / Time (t)

2.

FLASHCARD QUESTION

Front

What is the unit of power?

Back

Watt (W)

3.

FLASHCARD QUESTION

Front

What is work in physics?

Back

Work is done when a force causes an object to move. It is calculated as Work (W) = Force (F) x Distance (d).

4.

FLASHCARD QUESTION

Front

If you move an object with a force of 10 newtons over a distance of 5 meters, how much work is done?

Back

50 joules (Work = Force x Distance = 10 N x 5 m)

5.

FLASHCARD QUESTION

Front

True or False: The farther you move an object, the more work you do.

Back

True

6.

FLASHCARD QUESTION

Front

What do simple machines do to make work easier?

Back

They increase the distance over which work is done.

7.

FLASHCARD QUESTION

Front

If you do 90 joules of work in 30 seconds, how much power have you generated?

Back

3 watts (Power = Work / Time = 90 J / 30 s)

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