Worksheetswork and power quiz
Total questions: 15
Worksheet time: 9mins
______________ is a force acting on an object in the direction in which it moves.
power
work
Newton
distance
______________ is the rate at which work is done.
power
work
Newton
distance
Which is the correct unit for work?
watts
Joules
Newtons
meters
Which statements are examples of work being done?Pick 2 boxes
walking up a flight of stairs
a waitress carrying a tray of food through a restaurant
a book resting on a table
throwing a baseball
What are the two requirements needed for work to be done?
The object must move in the opposite direction of the force
The applied force must make the object move
The object cannot move for work to occur
The movement must be in the same direction as the force
If Sami walk up several flights of stairs in 60 seconds and the work I do is equal to 1800Nm, how much power did he use?Power= work/time
1860 watts
30 watts
300watts
30
Which of the following would produce the most power?
80 watts
60 watts
40 watts
How much work is being done with 15 N of force 5meters?work=force x distance
75J
20 J
45
20J
A strongman exerts 1000 N on the side of a building. After 2 minutes, the building doesn't move. How much work did he do?work=force x disttance
1002 J
2000
0J
500 J
If 100Joules of work is needed to move a box 10 meters, what force was used? Force=work/distance
10N
110 N
1000 N
50N
It takes 60 J of work to push a large box 6 m across a floor. Assuming the push is in the same direction as the displacement, what is the magnitude of the force on the box?
6 N
10 N
60 N
360 N
None of these
What is the formula for calculating work done?
work = force x distance
work = mass x acceleration
work = power x time
work = velocity x time
If a machine does 500 Joules of work in 5 seconds, what is its power output?
100 watts
2500 watts
5 watts
500 watts
Which of the following is not a unit of power?
Horsepower
Joule
Watt
Kilowatt
