WorksheetsEnergy Assignment
Total questions: 20
Worksheet time: 30mins
Match the following terms to the correct definition
Kinetic Energy
Energy in motion
Potential Energy
Stored energy
Work
Force that causes motion
Force
A push or pull
Click on where the rollercoaster has the MOST potential energy.
Daily Review - What is the potential energy of a 25 kg backpack sitting on a 0.8 m high table?
PE = mgh
What is the kinetic energy of a 44 kg cheetah running at 31 m/s?
KE = ½ mv2
A 65 kg boy on his bike is moving at a rate of 12 m/s. Calculate the kinetic energy of the boy on his bike.
KE = ½ mv2
Potential energy is based on ....
height
speed
Kinetic energy is based on .....
height
speed
A cheetah can run briefly with a speed of 31.0 m/s. Suppose a cheetah with a mass of 47.0 kg runs at this speed. What is the cheetah’s kinetic energy?
1457 Joules
22,584 Joules
15 Joules
45,167Joules
The statement that "the energy within a system remains constant and cannot be created or destroyed, only transformed" best sums up _________.
Something Mr. Lance likes to say.
Life
Law of Conservation of Energy
The scientific method
Newton's Third Law
How could you increase the gravitational potential energy of an object without changing its mass and gravity?
Make the object larger
Lower the object towards the ground
Raise the object farther off the ground
Allow the object to roll on the ground
____________ is the ability to do work.
Energy
Force
Friction
Motion
What is the gravitational potential energy (GPE) of a 1 kilogram book that is 1 meter above the ground?
g = 9.8 m/s2
9.8 Joules
1.0 Joule
0.10 Joule
11.8 m/s2
What is the gravitational potential energy of an 85 kg mountain climber at the summit of a 6267 m volcano?
Let g = 9.8N/kg
5,220,411 J
532,695 J
73.7 J
54,356.6 J
What is the gravitational potential energy of a 26 kg eagle, flying at an altitude of 65 m at a speed of 19 m/s?
Let g = 9.8N/kg
32,110 J
1690 J
172.4 J
16,562 J
The world record for pole vaulting is 6.15 m. I the pole vaulter’s gravitational potential energy is 4942 J, what is his mass?
Let g = 9.8N/kg
803.6 kg
504.3 kg
30,393.3 kg
82 kg
Match the variables with the correct answer.
W = F x d
F = 20 N
d = 5 m
100 J
W = 15 J
d = 5 m
3 N
W = 20 J
F = 2 N
10 m
F = 8 N
d = 4 m
32 J
30 watts
3 watts
120 watts
270 watts
A 100 N force is applied to move an object a horizontal distance of 5 meters at constant speed in 10 seconds. How much power is done?
50J
50W
500J
500W
