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WorksheetsForces and Motion
Total questions: 30
Worksheet time: 17mins
Name
Class
Date
1.
A _____ is a pull or a push.
a)
force
b)
friction
c)
gravity
d)
speed
2.
A _____ moves an object closer to you.
a)
push
b)
pull
c)
friction
d)
cat
3.
How are a push and a pull alike?
a)
You can hear them both.
b)
They are both names of cats.
c)
You can do them both at the same time.
d)
They are both forces.
4.
Another way that force can cause the change in an object's motion is to...
a)
change its color.
b)
change its pitch.
c)
change its direction.
d)
change its spots.
5.
_____ is the force that slows and stops motion between touching objects.
a)
Friction
b)
Gravity
c)
Pull
d)
Push
6.
Which has the least friction?
a)
snowboard on a snowy hill
b)
running on the playground
c)
sandpaper on wood
d)
a racer on a track
7.
Why is there less friction between two ice cubes touching than between sandpaper on wood?
a)
They have rough surfaces.
b)
They have loud surfaces.
c)
They have smooth surfaces.
d)
They have bright surfaces.
8.
What is one way to reduce friction?
a)
Put sandpaper between the surfaces that touch.
b)
Push the surfaces closer together.
c)
Shine a light on the surfaces.
d)
Put a slippery substance between the surfaces.
9.
In which of the following activity is friction useful?
a)
sliding down a snowy hill on a sled
b)
ice skating
c)
running around a track
d)
roller blading
10.
In the image, what force is acting on arrow A?
a)
friction
b)
gravity
c)
push
d)
Jedi force
11.
A non-contact force means there is NO touching needed to make the force happen between the two objects. Choose the non-contact forces.
a)
using a magnet, electricity, pulling a sled
b)
hitting a baseball, using a magnet, pushing your friend
c)
using a magnet, dropping a ball, two balloons repelling
12.
An unbalanced force can make all of these things happen except...
a)
a moving object changes direction
b)
an object just sits there
c)
a moving object speeds up
d)
a moving object stops
13.
Balanced forces can cause
a)
an object to speed up or slow down
b)
an object to stay still or move at a constant speed and direction
14.
Who is winning this race?
a)
A
b)
B
15.
What speed is the person with the red line going?
a)
20 km per hour
b)
10 km per hour
c)
50 km per hour
d)
30 km per hour
16.
When was the ostrich going at a constant speed?
a)
Between 0 and 30 min.
b)
Between 45 and 60 min.
c)
Between 30 and 45 min.
17.
this force is ___________ and there will be
a)
unbalanced, no movement
b)
balanced, movement to the left
c)
balanced, no movement
18.
If all four forces are balanced, the plane will
a)
plummet to the ground
b)
fly faster and faster
c)
fly slower and slower
d)
fly at a constant speed and direction
19.
If two spheres of different masses, but the same size are dropped at the same time
a)
they will hit the floor at the same time
b)
the larger mass will hit first
c)
the smaller mass will hit first
20.
The more massive an object is...
a)
the harder it will be to get moving.
b)
The harder it will be to stop.
c)
the harder it will be to speed up.
d)
all of the above.
21.
To measure speed, you need to know...
a)
distance covered and speed
b)
distance covered and time it took
c)
acceleration and distance
d)
direction and time
22.
The term for when an object speeds up, slows down, or changes direction
a)
Speed
b)
Velocity
c)
Acceleration
d)
Newtons
23.
Which is true from Newton's Third law of motion?
a)
For every action force there is a smaller reaction force in the opposite direction.
b)
For every action force there is an equivalent reaction force in the opposite direction.
c)
Both 1 and 2
d)
None of the above
24.
When forces on an object are balanced, what is the force?
a)
Five
b)
Ten
c)
Six
d)
Zero
25.
How can you increase the acceleration of an object?
a)
decrease its mass
b)
increase its friction
c)
increase its mass
d)
decrease the force applied to it
26.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
27.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
28.
It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes
a)
Newton's first law, the law of inertia
b)
Newton's second law, the law of acceleration
c)
Newton's third law, the law of action reaction
d)
The law of universal gravitation
29.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
30.
Which runner won the race?
a)
A
b)
B
c)
C
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