Worksheets6th Grade - Ch. 15 Force and Motion Review
Total questions: 32
Worksheet time: 24mins
Name
Class
Date
1.
The force of attraction between any object and every other object in the universe.
a)
friction
b)
acceleration
c)
gravitational force
d)
velocity
2.
The speed of an object in a particular direction.
a)
force
b)
velocity
c)
speed
d)
inertia
3.
The force that resists the movement of one surface past another.
a)
friction
b)
inertia
c)
momentum
d)
speed
4.
The tendency of an object to remain at rest or in constant motion unless a force acts on it.
a)
gravitational force
b)
friction
c)
acceleration
d)
inertia
5.
The manner in which something is placed or arranged.
a)
position
b)
displacement
c)
acceleration
d)
momentum
6.
The rate at which velocity changes.
a)
displacement
b)
friction
c)
acceleration
d)
force
7.
A push or pull.
a)
momentum
b)
friction
c)
position
d)
force
8.
The difference between the first position of an object and any later position.
a)
speed
b)
acceleration
c)
displacement
d)
gravitational force
9.
A measure of the force needed to stop a moving object.
a)
momentum
b)
inertia
c)
speed
d)
force
10.
The space or amount of space between two objects.
a)
displacement
b)
distance
c)
velocity
d)
gravitational force
11.
A measure of how fast an object is moving.
a)
momentum
b)
acceleration
c)
speed
d)
friction
12.
Which tool can you use to measure force?
a)
ruler
b)
spring scale
c)
pan scale
d)
electronic scale
13.
Bill is trying to push a box across a floor. What type of friction is making it difficult to start moving the box?
a)
heat friction
b)
static friction
c)
rolling friction
d)
sliding friction
14.
Four students roll basketballs across four different surfaces with the same amount of force. Which ball will most likely travel the farthest?
a)
The basketball rolling on grass
b)
the basketball rolling on carpet
c)
the basketball rolling on a tile floor
d)
the basketball rolling on a rocky path
15.
Imagine you are pushing on a box that has a mass of 10 kilograms with a force of 20 Newtons. What will the acceleration of the box be?
a)
50 m/s2
b)
2 m/s2
c)
0.5 m/s2
d)
200 m/s2
16.
A car travels 100 miles. The trip takes 2 hours. Calculate the average speed of the car during the trip.
a)
200 mph
b)
102 mph
c)
50 mph
d)
25 mph
17.
What causes the change in the ocean tides?
a)
Earth's gravitational pull on itself
b)
the Sun's gravitational pull on Earth
c)
Mercury's gravitational pull on Earth
d)
the Moon's gravitational pull on Earth
18.
An object remains at rest or in constant motion unless an unbalanced force acts on it describes Newton's __________ law of motion.
a)
first
b)
second
c)
third
d)
fourth
19.
The total momentum of objects before a collision equals the total momentum afterward describes
a)
the law of collision
b)
friction
c)
point of reference
d)
the law of conservation of momentum
20.
When a person pushes on a wall to apply a force they are demonstrating Newton's __________ Law of Motion.
a)
first
b)
second
c)
third
d)
fourth
21.
According to Newton's __________ Law of Motion, the acceleration of an object depends on both the mass and the size of the force applied.
a)
first
b)
second
c)
third
d)
fourth
22.
In which of the following would you expect to see no movement?
a)
a 2-N force pulling up and a 5-N force pushing down
b)
a 2-N force pulling up and a 3-N force pushing down
c)
a 3-N force pulling to the left and a 3-N force pulling to the right
d)
a 5-N force pulling to the left and a 4-N force pulling to the right.
23.
Force is measured in newtons.
a)
True
b)
False
24.
Sliding friction is the friction that works against a skateboard's wheels.
a)
True
b)
False
25.
The sum of all forces acting on an object is called net force.
a)
True
b)
False
26.
The greater the mass of an object, the greater its inertia.
a)
True
b)
False
27.
Friction can be helpful and harmful.
a)
True
b)
False
28.
Force acts on objects only when they are touching.
a)
True
b)
False
29.
If an object is in motion the forces acting on it are balanced.
a)
True
b)
False
30.
Smooth surfaces create more friction than rough surfaces.
a)
True
b)
False
31.
A frame of reference is an object used by an observer to detect motion.
a)
True
b)
False
32.
Why can you feel and see the effect of Earth's gravitational pull on you, but you cannot feel or see the effect of our teacher's gravitational pull on you?
a)
There isn't a gravitational pull at all.
b)
You and your teacher have low masses compared to how large Earth is.
c)
You can feel the same gravitational pull.
d)
It is because the Earth's gravitational pull is smaller than the teacher's pull.
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