An arrow that is pulled back by a bow has which type of energy?
gravitational potential
kinetic energy
chemical potential
elastic potential
2. Multiple Choice
1.5 minutes
1 pt
Energy due to motion is ____________ energy.
Potential
Energy
Kinetic
Friction
3. Multiple Choice
2 minutes
1 pt
Gravitational potential energy depends on the ________ and ________ of the object.
Height, mass and gravitational strength
Friction and movement
Mass and Movement
Height and Friction
4. Multiple Choice
2 minutes
1 pt
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
5. Multiple Choice
1.5 minutes
1 pt
At which point is potential energy greatest?
W
X
Y
Z
6. Multiple Choice
30 seconds
1 pt
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
7. Multiple Choice
5 minutes
1 pt
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
8. Multiple Choice
5 minutes
1 pt
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
9. Multiple Choice
1.5 minutes
1 pt
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
10. Multiple Choice
30 seconds
1 pt
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
11. Multiple Choice
1.5 minutes
1 pt
Which point has the most kinetic energy, assuming friction and air resistance are negligible?
A
B
c
D
12. Multiple Choice
30 seconds
1 pt
What is the unit for Kinetic Energy?
Newtons
Grams
Joules
Kanye
13. Multiple Choice
1.5 minutes
1 pt
What kind of energy is in flowerpot sitting on a windowsill?
Potential
Kinetic
14. Multiple Choice
1.5 minutes
1 pt
When a pendulum swings, at which point is gravitational potential energy at its greatest?
1
2
3
4
15. Multiple Choice
1.5 minutes
1 pt
When a pendulum swings, at which point is there the most kinetic energy?
1
2
3
4
16. Multiple Choice
1.5 minutes
1 pt
The faster an object moves, the ________ kinetic energy it has.
more
less
none of the above
all of the above
17. Multiple Choice
5 minutes
1 pt
The formula for calculating potential energy is ____________________________.
PE=gh
PE=mh
PE=mgh
PE=2mgh
18. Multiple Choice
5 minutes
1 pt
The two factors that determine kinetic energy are ____________________________ & ____________________________.