Kinetic and potential energy review
2 years ago
thephysicsgrove
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• Question 1
30 seconds
Q. An arrow that is pulled back by a bow has which type of energy?
gravitational potential
kinetic energy
chemical potential
elastic potential
• Question 2
120 seconds
Q. Energy due to motion is ____________ energy.
Potential
Energy
Kinetic
Friction
• Question 3
120 seconds
Q. Gravitational potential energy depends on the ________ and ________ of the object.
Height, mass and gravitational strength
Friction and movement
Mass and Movement
Height and Friction
• Question 4
120 seconds
Q. Which is the best example that something has kinetic energy?
a. a car parked on a steep hill
b. a tennis ball rolling across the court
c. a picture hanging on the wall
d. a piece of coal before it's burned
• Question 5
120 seconds
Q. At which point is potential energy greatest?
W
X
Y
Z
• Question 6
300 seconds
Q. A 0.40 kilogram bird is flying at a constant speed of 8.0 m/s. What is the bird's kinetic energy ?
3.2 J
4.2 J
2.0 J
12.8 J
• Question 7
300 seconds
Q. A 60 kg person walks from the ground to the roof of a 80 m tall building. How much increase in gravitational potential energy is there? (Take g = 10 N/kg)
600 N
4800 J
8000 J
48,000 J
• Question 8
300 seconds
Q. A pitcher throws a 145 g baseball at a velocity of 30.00 m/s. How much kinetic energy does the ball have?
65.85 J
87.25 J
23.45 J
65.25 J
• Question 9
30 seconds
Q. Two objects with different masses are placed on the same shelf. Which object contains more energy?
The object with a greater mass has more energy.
The object with less mass has more energy.
Both objects have the same amount of energy.
Neither object has any energy because they are not moving
• Question 10
30 seconds
Q. How high must a 20kg box be lifted to give it 784J of potential energy?
3.98 km
392 m
3.92 m
3 m
• Question 11
30 seconds
Q. Which point has the most kinetic energy, assuming friction and air resistance are negligible?
A
B
c
D
• Question 12
30 seconds
Q. What is the unit for Kinetic Energy?
Newtons
Grams
Joules
Kanye
• Question 13
30 seconds
Q. What kind of energy is in flowerpot sitting on a windowsill?
Potential
Kinetic
• Question 14
30 seconds
Q. When a pendulum swings, at which point is gravitational potential energy at its greatest?
1
2
3
4
• Question 15
30 seconds
Q. When a pendulum swings, at which point is there the most kinetic energy?
1
2
3
4
• Question 16
30 seconds
Q. The faster an object moves, the ________ kinetic energy it has.
more
less
none of the above
all of the above
• Question 17
300 seconds
Q. The formula for calculating potential energy is ____________________________.
PE=gh
PE=mh
PE=mgh
PE=2mgh
• Question 18
300 seconds
Q. The two factors that determine kinetic energy are ____________________________ & ____________________________.