Work and Power

Work and Power

Assessment

Flashcard

Physics

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What do simple machines increase to make work easier?

Back

The distance over which work is done.

2.

FLASHCARD QUESTION

Front

How much work is done when lifting two 300 newton weights 1.5 meters off the ground?

Back

900 J

3.

FLASHCARD QUESTION

Front

What is the formula for power?

Back

Work divided by time.

4.

FLASHCARD QUESTION

Front

What is a measure of force?

Back

100 newtons.

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 is the unit of work?

Back

Joule (J).

7.

FLASHCARD QUESTION

Front

What is the relationship between work and energy?

Back

Work is a transfer of energy.

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