Question 1

What is the definition of work in physics?

Accepted Answer

Work is done when a force applied to an object moves that object in the direction of the force.

Answer

Work is the mass of an object multiplied by gravitational force.

Answer

Work is the speed of an object over time.

Answer

Work is the energy stored in an object.

Question 2

Which of the following is the correct formula for calculating work?

Accepted Answer

Work = Force × Distance

Answer

Work = Force - Distance

Answer

Work = Force + Distance

Answer

Work = Force / Distance

Question 3

In which situation is no work being done?

Accepted Answer

When a person carries a heavy box while walking at a constant height.

Answer

When a person lifts a box straight up.

Answer

When a person pushes a box across the floor.

Answer

When a person pulls a cart up a hill.

Question 4

What unit is work measured in?

Accepted Answer

Joules

Answer

Pascals

Answer

Watts

Answer

Newtons

Question 5

Which statement describes how to increase the amount of work done?

Accepted Answer

By applying a greater force or increasing the distance over which the force is applied.

Answer

By moving the object slowly.

Answer

By using a longer time to move the object.

Answer

By reducing the weight of the object being moved.

Question 6

What happens to the work done on an object if the force applied is doubled while the distance remains constant?

Accepted Answer

The work done is doubled.

Answer

The work done is halved.

Answer

The work done remains the same.

Answer

The work done is quadrupled.

Question 7

If a force of 10 N is used to move an object 5 meters in the direction of the force, how much work is done?

Accepted Answer

50 Joules

Answer

25 Joules

Answer

5 Joules

Answer

15 Joules

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