WorksheetsForces, Energy and Motion Review
Total questions: 18
Worksheet time: 13mins
Name
Class
Date
1.
What is the value of g on Earth?
a)
9.81 m/s^2
b)
9.81 N
c)
9.81 m
d)
9.81 s/m^2
2.
All objects in the universe have a gravitational attraction to each other.
a)
True
b)
False
3.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
4.
A Newton is a derived unit of force that is actually... (Think of the units involved in Newton's second law of motion)
a)
Kg m/s2
b)
Kg m/s
c)
Kg
d)
Kg m2/s2
5.
Both of these are measured in Newtons
a)
Force and acceleration
b)
Force and weight
c)
Mass and weight
d)
Mass and acceleration
6.
What is the SI unit used to measure weight?
a)
Grams
b)
Liters
c)
Pounds
d)
Newtons
7.
Free-falling objects on Earth in a vacuum fall at a rate of...
a)
98 m/s
b)
9.8 mm/s
c)
9.8 m/s/s
d)
9..8 m/s
8.
What type of force is shown in the picture above?
a)
Magnetic
b)
Gravitational
c)
Applied
d)
Normal
9.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
10.
Which of the following is a unit of energy?
a)
Kilowatts
b)
Grams
c)
Meters per Second
d)
Joules
11.
How much work is produced when 350 N is used to move a car 5 m?
a)
70 J
b)
1750 J
c)
355 J
d)
175 J
12.
A Joule, a unit of energy, is also known as ... (think of the equation for work)
a)
a unit of force.
b)
a Newton meter
c)
a m/s2
d)
a m/s
13.
The acceleration due to Earth's gravity is ...
a)
9.8 m/s2
b)
29.4 m/s2
c)
1.6 m/s2
d)
32 m/s2
14.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
15.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
16.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s
17.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
18.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
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