WorksheetsF3 Kinetic Energy
Total questions: 9
Worksheet time: 10mins
Name
Class
Date
1.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
2.
The statement that "the energy within a system remains constant and cannot be created or destroyed, only transformed" best sums up _________.
a)
Something Mr. Lance likes to say.
b)
Life
c)
Law of Conservation of Energy
d)
The scientific method
e)
Newton's Third Law
3.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall
d)
d. a piece of coal before it's burned
4.
What is kinetic energy?
a)
energy of work
b)
energy of motion
c)
energy of gravity
d)
energy of power
5.
Calculate the kinetic energy of a moving 4 kg object travelling at a velocity of 3 m/s.
a)
18 J
b)
36 J
c)
12 J
d)
6 J
6.
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?
a)
1457 Joules
b)
22,584 Joules
c)
15 Joules
d)
45,167Joules
7.
A 60 kg Ewok is travelling at a constant speed of 7 m/s. What is its kinetic energy in KJ?
a)
1.47 KJ
b)
210 KJ
c)
147 KJ
d)
1470 KJ
8.
What is the kinetic energy of a 1500 gram object moving at a velocity of 100 m/s
a)
112.5 J
b)
7,500,000 J
c)
75 J
d)
7,500 J
9.
Energy can not be created or destroyed, only converted from one form to another.
a)
true
b)
false
100 %
