Work in Physics

Work in Physics

Assessment

Flashcard

Physics

10th - 11th Grade

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is Work in Physics?

Back

Work is defined as the transfer of energy that occurs when an object is moved over a distance by an external force. It is calculated as the product of the force applied and the distance moved in the direction of the force.

2.

FLASHCARD QUESTION

Front

What is the formula for calculating Work?

Back

Work = Force × Distance

3.

FLASHCARD QUESTION

Front

What are the units of Work?

Back

The SI unit of work is the Joule (J), where 1 Joule is equal to 1 Newton meter (1 J = 1 N·m).

4.

FLASHCARD QUESTION

Front

How much work is done when carrying an object horizontally?

Back

When carrying an object horizontally, if there is no vertical displacement, the work done is 0 J, regardless of the weight of the object.

5.

FLASHCARD QUESTION

Front

What is the work done by a normal force on an object sliding down an incline?

Back

The work done by the normal force is zero because the normal force acts perpendicular to the direction of motion.

6.

FLASHCARD QUESTION

Front

What is the work done by friction on an object moving down an incline?

Back

The work done by friction is negative because it opposes the direction of motion.

7.

FLASHCARD QUESTION

Front

If a force of 10 N is applied to move an object 5 m, how much work is done?

Back

Work = Force × Distance = 10 N × 5 m = 50 J.

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