WorksheetsWork and Power - Rehearse
Total questions: 20
Worksheet time: 19mins
Which of the following scenarios involves work being done?
Holding a book stationary above the ground.
Pushing a wall with no movement.
Lifting a bag from the floor to a table.
A satellite orbiting Earth in space.
What is the unit of power?
Joule (J)
Watt (W)
Newton (N)
Meter (m)
When force is used to move an object across a distance, this is called...
effort
power
energy
work
If a force of 10 N is applied over a distance of 4 meters, what is the total work done?
40 J
20 J
10 J
14 J
A student needs 10 Newtons of force to lift a box to the top of a 2 meter shelf. How much work do they do?
12 J
8 J
20 J
5 J
The SI unit for power
Watts
Joules
Newtons
Meters
if you push a cart with a force of 60 N for 2 m... how much work have you done
120 J
30 J
120 N
30 N
Brutus is a weightlifter. He completes a lift in 3.5 s, what is the power of Brutus, if he performed 660.0J of work?
2310 J
He performs no work
189 J
d=50 m
w=??
