WorksheetsCh 6 Revision
Total questions: 24
Worksheet time: 21mins
A 65,000 kg train travels to New York at 24 m/s. What is the train's Kinetic Energy?
2708.9 m/s
65,000 kg
24 m/s
18,720,000 J
A 1 kg bird flies south at 4 m/s. What is its KE?
2 m/s
8 J
2 J
4 J
What is energy?
something that picks up things, like a magnet.
Motion of an object
ability to do work
magic rays of sunshine that come down when you're feeling blue.
What two factors affect an object's gravitational potential energy?
area and volume
area and height
mass and height
mass and velocity
The least amount of potential energy is at
a
b
c
d
At which position does the child on the swing have the most gravitational potential energy?
W
X
Y
Z
What is the gravitational potential energy (GPE) of a 1 kilogram book that is 1 meter above the ground?
g = 10 N/kg
10 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 = 10N/kg
5,326,950 J
532,695 J
73.7 J
54,356.6 J
An Olympic high jumper, with a mass of 82 kg, has a maximum gravitational potential energy of 1970 J. How high was the jump?
Let g = 10N/kg
24 m
161,540 m
2.40 m
201 m
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
Two people shove on a wall with 100 N. The wall doesn’t move. How much work is done?
100J
100N
0J
0N
t = 25 seconds
P = ???
How much power is used if a force of 35 Newtons is used to push a box a distance of 10 meters in 5 seconds? (Hint: Solve for work first. This is a 2-step problem.)
70 W
3.5 W
7 W
350 J
Two people are lifting the same weight as shown in the animation. If they both do 10 reps, who will supply the most power?
Bro A
Bro B
They both will do the same work
Can't tell without knowing the weight they are lifting
The box moves to the right. Circle the force that does work on the box.
If you are rolling down a big hill you are (a) the potential energy.
The total energy in an isolated system remains the (a)
The total energy a ball has at the top of a hill is 500 J, just before it is allowed to roll down. What is its maximum possible kinetic energy?
Ans: (a) J
How are you coping with this topic? (Chapter 6: Work, Energy, and Power)
I understand what is going on and I am confident enough
I understand what is going on, but I'm not too confident
I don't understand some things
It's all Greek to me - please help!
