WorksheetsWork and Power Practice
Total questions: 15
Worksheet time: 16mins
Two factors that determine work are
force
acceleration
mass
distance
velocity
units of force are
newtons
grams
joules
meters
units for work are
newtons
joules
meters
seconds
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
Fred kicks a ball with a force of 20N to George, who is 5M away. How much work was done to the ball?
25J
100J
4J
75J
Standard unit for Power
Ampere
Newton
Joule
Watt
To solve for power, we use the formula: Power = Work divided by _________.
Velocity
Force
Distance
Time
It took 50 Joules to push a chair 5 meters across the floor. With what force was the chair pushed?
10 N
0.1 N
250 N
1 N
What is the power of a kitchen blender if it can perform 3,750 Joules of work in 15 seconds?
250 W
0.004 W
56,250 W
25 W
A force of 100 Newtons was necessary to lift a rock. A total of 150 Joules of work was done. How far was the rock lifted?
1.5 m
0.4 m
15,000 m
15 in
How much work is done using a 500-watt microwave oven for 1 minute? (Hint: Use seconds as the unit for time.)
30,000 J
500 J
8.3 J
0.12 J
How much power is used if a force of 35 Newtons is used to push a box a distance of 10 meters in five seconds? (Hint: Solve for work first. This is a 2-step problem.)
70 W
3.5 W
7 W
350 J
It took 500 Newtons of force to push a car four meters. How much work was done?
2000 J
125 J
0.008 J
500 J
