WorksheetsKinetic Energy Solve
Total questions: 20
Worksheet time: 48mins
Name
Class
Date
1.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
2.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
3.
As mass increases, KE ...
a)
increases
b)
decreases
c)
stays the same
4.
Which has a greater impact on KE?
a)
mass
b)
velocity
5.
The SI unit in which kinetic energy is measured is
a)
Newton
b)
Kilogram
c)
Joules
d)
Metres per second
6.
Rearrange the equation for kinetic energy to make mass the subject of the equation.
a)
m = KE/2v2
b)
m = 2KE/v2
c)
m = v2/2KE
d)
m = 2v2/KE
7.
Rearrange the equation for kinetic energy to make velocity squared the subject of the equation.
a)
v2 = KE/2m
b)
v2 = 2m/KE
c)
v2 = 1/2 KE m
d)
v2 = 2KE/m
8.
Rearrange the equation for kinetic energy to make velocity the subject of the equation.
a)
v = √(2KE/m)
b)
v2 = 2KE/m
c)
v = √(m/2KE)
d)
v = √(KE/2m)
9.
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
10.
How much kinetic energy does a moving 6 kg object have if it moves with a velocity of 3 m/s?
a)
27 J
b)
18 J
c)
9 J
d)
2 J
11.
What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s
a)
676 J
b)
3.25 J
c)
17J
d)
338 J
12.
What is the kinetic energy of a ball with a mass of 5kg rolling at 10m/s
a)
50 J
b)
5 J
c)
250 J
d)
25 J
13.
A golf pro swings his driver which weighs 0.75Kg at a velocity of 60 m/s. Calculate the kinetic energy of the club.
a)
2700 J
b)
16.9 J
c)
1350 J
d)
45 J
14.
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
15.
A rabbit of mass 3kg walks at a speed of 0.5m/s. Calculate its kinetic energy.
a)
0.5 J
b)
0.75 J
c)
0.255 J
d)
0.375 J
16.
How much kinetic energy does a person of mass 50kg running at 3m/s have? Provide your answer in KJ.
a)
225 KJ
b)
0.225 KJ
c)
75 KJ
d)
0.075 KJ
17.
A moving 10 kilogram object has 20 Joules of kinetic energy. What is its velocity?
a)
2 m/s
b)
4 m/s
c)
200 m/s
d)
10 m/s
18.
What is the mass of a moving object that has 100 Joules of kinetic energy and moves at a velocity of 2 m/s?
a)
50 kg
b)
200 kg
c)
25 kg
d)
100 kg
19.
An explosion of gas from a Hawaiian volcano blows a rock into the sky. the rock has 2000J of kinetic energy. What was its mass if the rock had a velocity of 20m/s
a)
200Kg
b)
20,000Kg
c)
10Kg
d)
200Kg
20.
An 8kg dog chases a cat. if the dog has 400J of kinetic energy. What is the speed of the dog?
a)
10 m/s
b)
5 m/s
c)
1 m/s
d)
100 m/s
100 %
