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Work and Force Concepts

Work and Force Concepts

Assessment

Interactive Video

Physics, Science, Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains the concept of work in physics, emphasizing the relationship between force and distance. It demonstrates how work is calculated using examples like pushing a chalkboard and moving a wagon. The importance of force direction in relation to the object's movement is highlighted. The tutorial also includes problem-solving examples to reinforce understanding of work calculations.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What two factors determine the amount of work done on an object?

Distance and speed

Force and distance

Speed and time

Force and time

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why was no work done when the chalkboard was pushed?

The force was too small

The force was applied at an angle

The chalkboard moved in the opposite direction

The chalkboard did not move

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the chalk demonstration, why was more work done with the chalk than the chalkboard?

The chalk moved a distance

The chalk was heavier

The force on the chalk was greater

The chalkboard was lighter

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the optimal angle for applying force to maximize work on an object?

45 degrees

90 degrees

0 degrees

180 degrees

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the direction of force affect the work done on an object?

Work is maximized when force is perpendicular to movement

Work is maximized when force is in the same direction as movement

Direction of force does not affect work

Work is minimized when force is in the same direction as movement

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when force is applied in a different direction than the object's movement?

No work is done

Maximum work is done

The object speeds up

The object slows down

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If Bobby applies 380 newtons of force to move a car 50 meters, how much work is done?

19,000 joules

1,900 joules

380 joules

50 joules

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