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WorksheetsAssessment: Work
Total questions: 10
Worksheet time: 7mins
Which of the following is a true statement about work?
It measures how quickly an object accelerates
It measures how much effort is applied over a certain distance
It measures the change in an object's rate of speed
It measures how much time it takes to move a massive object
What does one newton exerted over a distance of one meter equal?
One Watts
One Joules
One Hertz
One Vault
What are two things required for work to be done?
Force and Distance
Constant Speed
Momentum
Weight
A weightlifter lifts two 300 newton weights 1.5 meters off the ground. How much work has he done?
600 J
660 J
900 J
1200 J
Simple machines make work easier by increasing what?
The distance over which work is done
The force needed to do work
The time required to do work
The acceleration of a massive object
Which of these is a measure of force?
100 Newton
100 Meter per second
100 Joules
100 Watts
50 J of work is done lifting a 2.0 kg book in the air. How high was it lifted?
2.6 m
3.6 m
4.0 m
25 m
You do 90 joules of work in 30 seconds. How much power have you generated?
3 watts
30 watts
120 watts
270 watts
You move an 8-newton weight five meters in 4 seconds. How much power have you generated?
6.4 watts
10 watts
17 watts
64 watts
Which statement illustrates work done?
A weightlifter holds a barbell above her head.
A teacher applies a force to a wall and becomes exhausted.
A rolling marble hits a note card and moves it across a table.
A waiter carries a tray full of meals across a dining room at a constant speed.
