NEW
Font size
S
M
L
XL
WorksheetsScience - Forces
Total questions: 25
Worksheet time: 20mins
Name
Class
Date
1.
What do you call a push or pull that causes an object to move, stop, or change speed or direction?
a)
force
b)
gravity
c)
power
d)
work
2.
What do you call the use of force to move an object through a distance?
a)
friction
b)
net force
c)
power
d)
work
3.
What do you call a force that pulls all objects toward each other?
a)
magnetism
b)
gravity
c)
friction
d)
force
4.
What do you call something that makes work seem easier by changing the size or direction of a force?
a)
machine
b)
magnetism
c)
balanced force
d)
unbalanced force
5.
What do you call forces equal in size and opposite in direction?
a)
net force
b)
balanced forces
c)
unbalanced forces
d)
friction
6.
What do you call forces that oppose motion when two surfaces rub against each other?
a)
friction
b)
gravity
c)
magnetism
d)
work
7.
What do you call the force of pulling between magnets and magnetic objects?
a)
friction
b)
gravity
c)
power
d)
magnetism
8.
What do you call opposing forces of which one force is greater than the other?
a)
net force
b)
unbalanced forces
c)
balanced forces
d)
power
9.
What do you call the value of combined forces on an object?
a)
work
b)
force
c)
power
d)
net force
10.
What do you call the amount of work done for each unit of time?
a)
force
b)
work
c)
power
d)
net force
11.
Which one of these things is not considered a force?
a)
magnetism
b)
friction
c)
gravity
d)
Newton
12.
What force causes a pen to fall to the floor when dropped?
a)
magnetism
b)
gravity
c)
friction
d)
motion
13.
What force causes a car to stop when the brakes are applied?
a)
motion
b)
gravity
c)
friction
d)
magnetism
14.
What do magnets have that acts on object without touching them?
a)
power
b)
machine
c)
force
d)
current
15.
If two kids are pushing on a desk, but it doesn't move, the forces acting on the desk must be --
a)
balanced
b)
unbalanced
c)
weak
d)
strong
16.
If a car slows down as it drives up a hill, the forces acting on it must be --
a)
balanced
b)
unbalanced
c)
strong
d)
weak
17.
Two people try to lift a 100N rock, but it doesn't move. How much work have they done?
a)
200 J
b)
100 J
c)
0 J
d)
We don't know because it doesn't give the distance
18.
When you push a 6 N chair 3 m across the room, how much work do you do?
a)
2 J
b)
6 J
c)
9 J
d)
18 J
19.
What can change the size or direction of a force?
a)
friction
b)
magnet
c)
machine
d)
work
20.
A stapler is an example of a compound machine made up of --
a)
a lever and a wedge
b)
a pulley and a lever
c)
a wedge and a screw
d)
a pulley and a wedge
21.
If a boy is pushing 3N to the right on a desk and a girl is pushing 5 N to the left on the same desk, what is the net force acting on the desk?
a)
8 N right
b)
8 N left
c)
2 N right
d)
2 N left
22.
If 200 J of work is needed to lift a 50 N crate, how far was the crate lifted?
a)
10,000 m
b)
250 m
c)
150 m
d)
4 m
23.
How much power is needed for a 20 N boy to climb a 5 m flight of stairs in 10 seconds?
a)
2.5 W
b)
40 W
c)
10 W
d)
5 W
24.
Which of the following is NOT a type of simple machine?
a)
lever
b)
pulley
c)
wheel and axle
d)
motor
25.
Which of these is NOT one of the three types of everyday forces?
a)
friction
b)
gravity
c)
power
d)
magnetism
Reset
