Work or Not Work

Work or Not Work

Assessment

Flashcard

Physics

8th 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 definition of work in physics?

Back

Work is done when a force causes an object to move in the direction of the force. It is calculated as the product of the force and the distance moved in that direction.

2.

FLASHCARD QUESTION

Front

Is carrying groceries into the house considered work?

Back

No, it is not considered work because the groceries are not being moved in the direction of the force applied (upward force against gravity).

3.

FLASHCARD QUESTION

Front

What is an example of work being done?

Back

Throwing a baseball a distance of 20 meters is an example of work being done because the ball is moved in the direction of the force applied.

4.

FLASHCARD QUESTION

Front

What is the formula for calculating work?

Back

Work = Force x Distance x cos(θ), where θ is the angle between the force and the direction of motion.

5.

FLASHCARD QUESTION

Front

When is work not done, even if a force is applied?

Back

Work is not done if there is no movement in the direction of the force, such as holding a heavy object still.

6.

FLASHCARD QUESTION

Front

What is the unit of measurement for work?

Back

The unit of measurement for work is the Joule (J).

7.

FLASHCARD QUESTION

Front

If a man pulls his boat out of the water, is this work?

Back

Yes, this is considered work because the boat is being moved in the direction of the force applied.

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