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WorksheetsShell Physics MCQs Nov
Total questions: 21
Worksheet time: 23mins
Name
Class
Date
1.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
2.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
3.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
4.
Wind turbines and windmills convert what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
5.
The formula for work is:
a)
d = r x t
b)
p = m x v
c)
f = m x a
d)
w = d x f
6.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
7.
What is the S.I. unit for work done?
a)
N
b)
J
c)
Nm
d)
W
8.
What is the formula for power?
a)
Power = Energy(J) / time(s)
b)
Power = Work done(J) / time(min)
c)
Power = Work done(N) / time(s)
d)
Power = Energy(N) / time(min)
9.
A hairdryer has a power rating of 500W. How much energy is generated in 2 minutes?
a)
1000J
b)
250J
c)
3 600 000J
d)
4.16J
10.
A person weighing 60kg lifts a book a height of 2m in 20s. The book weighs 500g. What is the gravitational potential energy gained by the book?
a)
1200J
b)
10 000J
c)
10J
d)
30J
11.
A trolley is pushed a distance of 10m in 20 seconds. It has a mass of 5kg. Calculate the power.
a)
0.5W
b)
25W
c)
2.5W
d)
200W
12.
Which point has the greatest potential energy (GPE)?
a)
A
b)
G
c)
D
d)
C
13.
How could you change the height of an object to increase GPE (gravitational potential energy)?
a)
Make the object larger
b)
Lower the object towards the ground
c)
Raise the object farther off the ground
d)
Make the object smaller
14.
At which position does the child on the swing have the most gravitational potential energy?
a)
W
b)
X
c)
Y
d)
Z
15.
Roger Federer’s tennis ball has a mass of 0.3 kg. If he holds the ball above the ground at a height of 2.0 m to serve, what is its gravitational potential energy (GPE)?
a)
5.88 J
b)
0.6 J
c)
6.67 J
d)
0.15 J
16.
A crate with mass of 15.3 kg is pulled 9.2 m up in order to place it on top of a shelf. Calculate the GPE of the crate.
a)
140.76 J
b)
1.66 J
c)
1,379.4 J
d)
5.89 J
17.
What are the two factors that affect kinetic energy?
a)
time and energy
b)
power and mass
c)
mass and speed
d)
time and work
18.
What is the unit of measurement for kinetic energy
a)
Newton
b)
Joule
c)
Watt
d)
Kilogram
19.
What would have the greatest kinetic energy?
a)
A car driving down a hill.
b)
A person running down a hill.
c)
A ball rolling down a hill.
d)
leaves rolling down a hill
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
21.
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
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