Work, Power, Simple Machines

Work, Power, Simple Machines

Assessment

Flashcard

Science

8th - 9th Grade

Hard

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8 questions

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1.

FLASHCARD QUESTION

Front

What is the law of conservation of energy?

Back

Energy cannot be created or destroyed, only converted from one form to another.

2.

FLASHCARD QUESTION

Front

What are the units for work?

Back

Joules (J)

3.

FLASHCARD QUESTION

Front

Which action is an example of work being done?

Back

Picking up a pencil.

4.

FLASHCARD QUESTION

Front

What are the units of force?

Back

Newtons (N)

5.

FLASHCARD QUESTION

Front

Which of the following is the best example of work being done?

Back

Lifting a box.

6.

FLASHCARD QUESTION

Front

Define work in physics.

Back

Work is done when a force causes an object to move in the direction of the force.

7.

FLASHCARD QUESTION

Front

What is power in the context of physics?

Back

Power is the rate at which work is done or energy is transferred.

8.

FLASHCARD QUESTION

Front

What is the formula for calculating work?

Back

Work = Force x Distance (W = F x d)