Lesson 11 force and work unit test

1 answer

1. What is the formula for calculating work?

a) Work = Force × Distance
b) Work = Force ÷ Distance
c) Work = Distance ÷ Force
d) Work = Force + Distance

Correct answer: a) Work = Force × Distance

2. Which of the following is an example of work being done?

a) Holding a heavy weight above your head
b) Pushing against a wall that doesn't move
c) Lifting a backpack off the ground
d) Riding a bike down a hill

Correct answer: c) Lifting a backpack off the ground

3. What is the SI unit of work?

a) Newton
b) Joule
c) Watt
d) Meter

Correct answer: b) Joule

4. What is the formula for calculating force?

a) Force = Work ÷ Distance
b) Force = Work × Distance
c) Force = Work ÷ Time
d) Force = Work + Distance

Correct answer: c) Force = Work ÷ Distance

5. When is work considered to be done?

a) When an object is at rest
b) When a force is applied to an object and it moves in the direction of the force
c) When an object is lifted off the ground
d) When an object is pushed against a stationary wall

Correct answer: b) When a force is applied to an object and it moves in the direction of the force