Understanding Work in Physics

Understanding Work in Physics

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Nancy Jackson

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equation for work in physics?

Work = Force x Displacement x Sine of the angle

Work = Force x Displacement x Cosine of the angle

Work = Force x Sine of the angle

Work = Force x Displacement

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When is the work done by a force considered to be zero?

When the force is greater than the displacement

When the force is perpendicular to the displacement

When the force is parallel to the displacement

When the force is less than the displacement

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is work affected when the force and displacement are in opposite directions?

Work is doubled

Work is negative

Work is zero

Work is positive

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the angle between force and displacement affect the work done?

It has no effect

It only affects the magnitude

It determines the sign and magnitude of the work

It only affects the sign

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one method to calculate the total work done on an object?

By multiplying all forces together

By subtracting the smallest force from the largest

By adding the work done by each individual force

By considering only the largest force

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example of the box being pulled, what role does friction play?

It doubles the work done

It decreases the total work done

It has no effect on the work done

It increases the total work done

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the work done by gravity calculated when it acts at a 90-degree angle to displacement?

It is zero

It is equal to the force of gravity

It is positive

It is negative

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