WorksheetsWork and Energy
Total questions: 30
Worksheet time: 45mins
What is the formula for Work?
W = F + d
W = Fxd
W = F/d
W = F-d
Amy uses 20N of force to push a lawn mower 10 meters. How much work does she do?
0J
30N*m
10J
200N*m
How much work does an elephant do while moving a circus wagon 20 meters with a pulling force of 200N?
220J
4000J
400N*m
180N*m
Alex applies 350N of force to move his stalled car 40m, how much work did Alex do?
14,000J
1400N*m
310N*m
0J
Amy uses 20N of force to push a lawn mower 10 meters. How much work does she do?
10J
10N*m
200N*m
30J
Joe balances a coin using 2N of upward force on the tip of his finger. He holds it 1 meter above the surface of the table. How much work is Joe doing?
0J
2J
2N*m
3N*m
What is the SI unit for Work?
J
N
cm
g
Is work being done to the object?
Yes
No
Is work being done to this object?
Yes
No
Is work being done to this object?
Yes
No
17-18.
Answer the questions below after watching the video
What is the unit for m, g, the h and Potential energy
m=m/s
g=g
h=N
PE=Watts
m=N
g= F
h=k
PE=love
m=g
g=m/s
h=meters
PE=J
Give an example word problem for this formula, use the 4steps to solve
At which point does the ball has the greatest gravitational potential energy (GPE)?
A
G
D
C
G
A book with a mass of 1.5 kg is placed on a shelf 4 meters high. What is the potential energy of the book?
0.5 J
10.2 J
100.5 J
58.8 J
A ball with a mass of 0.3 kg is thrown straight up into the air to a height of 6 meters. What is the potential energy of the ball at its highest point?
3.42 Joules
0.18 Joules
9.81 Joules
17.64 Joules
A pencil with a mass of 0.1 kg is dropped from a height of 2 meters. What is the potential energy of the pencil just before it hits the ground?
1.96 Joules
0.02 Joules
2 Joules
0.2 Joules
A toy car with a mass of 0.2 kg is placed on a ramp 5 meters high. What is the potential energy of the toy car?
0.5 Joules
2.5 Joules
15 Joules
9.8 Joules
Match the units to their variables
Work
Joules
Force
Newtons
Distance
meters
Power
Watts
Velocity
m/s
Match the following energy types to their proper definition
Mechanical Energy
The energy of Movement from machines
Nuclear Energy
High Energy stored, makes Bombs
Thermal Energy
Energy of friction, heated
Chemical Energy
Energy stored between atoms, like gas
Electromagnetic Energy
Energy, travels as waves, keeps planets
What is the formula to calculate potential energy?
potential energy = mass * gravity * distance
potential energy = mass * acceleration * height
potential energy = mass * gravity * height
potential energy = force * distance
Allen applied 10 N on a stress ball which has an area of 2 m. calculate the pressure. {Elda}
Cali ran a 100m race in 12 seconds. Calculate his speed. {Levi}
An 80,720.72 Kg meteor travelled at 507,289 m/s. Calculate the the Kinetic Energy. {Timotheus}
A 2Kg shoe is on a bed that's 20m high. Calculate the potential energy. {Sarem}
