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WorksheetsForces and Motion
Total questions: 21
Worksheet time: 17mins
Name
Class
Date
1.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
2.
What is the name for a push or pull?
a)
A movement
b)
A force
c)
Speed
d)
Density
3.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
4.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
5.
One object has twice as much mass as another object. The first object also has also twice as much...
a)
velocity
b)
gracitational acceleration
c)
inertia
d)
all of these
6.
A measure of the inertia of an object; The amount of matter an object has.
a)
Mass
b)
Gravity
c)
Force
d)
Momentum
7.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
8.
This triangle is used to determine speed.
a)
True
b)
False
9.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3
d)
Cart 4
10.
If you increase the mass on an object, its acceleration
a)
decreases
b)
stays the same
c)
also increases
d)
stops
11.
If the net force is equal to zero, the forces acting on the object are
a)
balanced
b)
unbalanced
12.
The momentum of an object is defined as
a)
Velocity times the time interval
b)
Mass times acceleration
c)
Mass times velocity
d)
Force times the time interval
13.
A speeding bus makes contact with a bug that splatters onto the windshield. Because of the force on the unfortunate bug, it undergoes a sudden acceleration. How does the acceleration of the bus compare to the acceleration of the bug? The acceleration of the bus is _______________________ that of the bug.
a)
greater than
b)
less than
c)
equal to
14.
For every force there is an equal and opposite force is a summary of which Newton’s Law?
a)
First
b)
Second
c)
Third
d)
Fourth
15.
An object in motion tends to stay in that state of motion unless acted upon by an unbalanced force is a summary of which Newton’s Law?
a)
First
b)
Second
c)
Third
d)
Fourth
16.
A dart is fired from a Nerf launcher. Select the phrase that correctly completes the following sentence. The force on the dart is ______ to the force on the launcher.
a)
smaller than
b)
larger than
c)
equal to
17.
Which of the following has the most momentum?
a)
A semi-truck parked in a parking lot
b)
An empty building
c)
A tightrope walker crossing Niagara falls
d)
A pickup truck traveling down the highway at the speed limit
18.
The ____ of an object is the force of gravity on the object.
a)
mass
b)
weight
c)
volume
d)
density
19.
Forces do not occur in pairs.
a)
True
b)
False
20.
Acceleration due to gravity, g, is ____ m/sec2.
a)
4.9
b)
9.8
c)
19.6
d)
39.2
21.
The amount of matter in an object
a)
weight
b)
force
c)
gravity
d)
mass
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