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WorksheetsIPC Ch. 3 Vocab
Total questions: 25
Worksheet time: 14mins
Name
Class
Date
1.
An unbalanced force that causes objects to move in a circular path is called...
a)
free fall
b)
terminal velocity
c)
projectile motion
d)
centripetal force
2.
If a feather and a hammer are dropped at the same time on the moon, where there is no atmosphere, which one will hit the ground first?
a)
Neither, there is no gravity on the moon.
b)
hammer because it has more mass
c)
feather because it has less mass
d)
both will hit at the same time
3.
Every object in the universe attracts every other object.
a)
Law of Universal Gravitation
b)
Mass and Distance
c)
Inertia
d)
Newton's First Law of Motion
4.
Attracts all objects towards each other
a)
gravity
b)
mass
c)
weight
d)
inertia
5.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
6.
The force of gravity on an object
a)
mass
b)
weight
c)
volume
d)
inertia
7.
The amount of matter in an object
a)
mass
b)
weight
c)
inertia
d)
gravity
8.
As an object's mass increases, its gravitational pull will ____________.
a)
decrease
b)
increase
c)
stay the same
d)
get weaker
9.
Which has more gravitational force acting upon it?
a)
a bus
b)
a train
c)
a car
d)
a person
10.
What gives a pitched baseball its forward motion
a)
the force of the hand throwing it.
b)
the force of gravity
c)
air resistance
d)
what is baseball?
11.
A force that slows down or stops the motion of a bicycle is
a)
Heat
b)
Magnetism
c)
Friction
d)
Force
12.
which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
13.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
14.
Because of inertia, a resting object will remain at ________.
a)
rest
b)
a constant speed
c)
school
d)
inertia
15.
A horse gallops around a circular arena. The centripetal force on the horse is ___.
a)
directed outward
b)
tension
c)
directed toward the center of the arena
d)
9.8 N
16.
When an object is in circular motion it is constantly changing its velocity.
a)
True
b)
False
17.
You swing a bucket of water attached to a string in a circle above your head. What keeps the water in the bucket?
a)
Friction
b)
Centripetal Force
c)
Gravity
d)
Inertia
18.
If you throw a baseball, what direction is its motion?
a)
Horizontal
b)
Vertical
c)
Both
19.
Centripetal acceleration is ...
a)
Acceleration toward the center of a curved or circular path
b)
Acceleration toward the outside of a circle
c)
Vertical motion instead of horizontal motion
20.
Centripetal force is...
a)
The net force exerted toward the center of a curved path
b)
The net force exerted to the outside of a circle
c)
The force going against gravity
21.
Which of the following has more momentum?
a)
a small truck traveling at 40mph
b)
a large truck traveling at 40mph
c)
more information is needed
22.
The definition of momentum is
a)
Mass in Motion
b)
The size of an object
c)
The velocity of an object
d)
A comparison between two objects
23.
What are the appropriate units to describe acceleration?
a)
m/s
b)
m/s2
c)
cm
d)
there are no units associated with acceleration
24.
Which causes accelerations?
a)
Balanced forces
b)
Unbalanced forces
c)
Changes in velocity
d)
Equilibrium
25.
The larger the mass you have the _____ force you need to change its motion.
a)
more
b)
less
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