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WorksheetsPS Chapter 3, Section 1
Total questions: 17
Worksheet time: 22mins
Name
Class
Date
1.
A(n) ____ is a push or pull that one body exerts on another.
a)
acceleration
b)
force
c)
motion
d)
velocity
2.
The ____ is the combination of all the forces acting on an object.
a)
direction of motion
b)
force pair
c)
inertia
d)
net force
3.
Forces that cancel each other are called _____ forces.
a)
balanced
b)
inactivated
c)
neutral
d)
null
4.
Which best demonstrates friction?
a)
an ice-skater sliding across the ice without noticeably slowing down
b)
a car rolling to a stop at a traffic light
c)
a baseball moving in a projectile motion
d)
the free fall of astronauts in orbit
5.
A snow skier slowing to a stop after skiing down a mountain demonstrates ____ friction.
a)
air
b)
rolling
c)
sliding
d)
static
6.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
7.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move in both directions.
8.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move up.
9.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
10.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
11.
(T or F?) A balanced force is only an object that is not moving.
a)
True
b)
False
12.
Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?
a)
Balanced
b)
Unbalanced
13.
Are forces balanced or unbalanced when a marble rolls down a ramp?
a)
Balanced
b)
Unbalanced
14.
What is the SI unit used to measure force?
a)
pounds
b)
grams
c)
newtons
d)
friction
15.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
16.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
17.
As distance between two objects increase the pull of gravity
a)
Increases
b)
Decreases
c)
Stays the same
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