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HOMS Review: Forces and Motion

Total questions: 67

Worksheet time: 1hrs 7mins

Name
Class
Date
1.

Force

a)

push or pull

b)

mythical star wars powers

c)

can only happen with contact

d)

only gravity

2.

Contact force

a)

A force that can only be applied with touch

b)

A force that can act at a distance

3.

Force of attraction (pulling) between two objects. (Every object experiences this on earth)

a)

gravitational

b)

normal

c)

applied

d)

friction

4.

Force that resists motion between two surfaces.

a)

gravitational

b)

normal

c)

applied

d)

friction

5.

This arrow depicts which kind of force?

a)

gravitational

b)

normal

c)

applied

d)

friction

6.

This arrow depicts which kind of force?

a)

gravitational

b)

normal

c)

applied

d)

friction

7.

What force ultimately slows the roller coaster to a stop?

a)

Applied

b)

Normal

c)

Friction

d)

Gravitational

8.

which of these is an effect of force?(tick mark the correct answers)

a)

force can start a motion

b)

force can stop a motion

c)

force can change the direction of motion

d)

force can change the shape of an object

e)

force can change the speed a moving object

9.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
10.
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. 
11.
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. 
12.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
13.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
14.
Calculate the Net Force. 
a)
40N, Left
b)
40N, Right
c)
0N, Balanced
d)
75N, Right
15.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
50 N left
16.

These forces are...

a)

Balanced

b)

Unbalanced

17.

These forces are...

a)

Balanced

b)

Unbalanced

18.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
19.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
20.

What is true about this picture?

a)

the forces are balanced

b)

the net force is 10N

c)

The net force is 3 N

d)

The net force is 7N

21.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
22.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
23.
Which system has the greater gravitational attraction between the two objects (if any)?
a)
System A
b)
System B
c)
Same gravitational attraction fro System A and System B
24.
On which celestial object would you weigh the most?
a)
Earth
b)
Jupiter
c)
Sun
d)
You would weigh the same on all celestial objects
25.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
26.

The location on the magnet that has the strongest magnetic field is the ___________.

a)

magnetic fields

b)

magnetic poles

c)

magnetic domains

d)

 center of the magnet

27.

If two magnets with opposite poles are placed together such as N and S, the two magnets will ______.

a)

have no movement

b)

repel

c)

 attract

28.

The region around a magnet where the magnetic forces act is the ________________.

a)

magnetic domain

b)

magnetic pole

c)

magnetic field

d)

electromagnetic pole

29.

The reason a compass points North is due to Earth's __________________.

a)

gravitational field

b)

 rotation

c)

 axis

d)

magnetic field

30.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
31.
What are 2 factors that determine the amount of friction between 2 objects?
a)
Force and roughness between surfaces
b)
hills and valleys and how smooth or rough the surface is
c)
Amount of force and amount of surface the comes in contact
d)
The force and the weight exerted on the surfaces
32.

Without friction, an object in motion would never stop.

a)

true

b)

false

33.

Rough surfaces have _________ compared to smoother surfaces.

a)

greater friction

b)

less friction

c)

the same level of friction

34.

Which of these materials do you predict would have the MOST amount of friction

a)

Metal

b)

Tile

c)

Sand Paper

d)

Denim

35.
The force that acts in the opposite direction of motion when two surfaces come in contact. 
a)
Force
b)
Friction
c)
Static
d)
Kinetic 
36.

Distance and direction of an object's change in position from a starting point

a)

displacement

b)

distance

c)

motion

d)

reference point

37.

David walks 3 km north, and then turns east and walks 4 km. What is the distance?

a)

7 km

b)

3 km

c)

4 km

d)

1 km

38.

Distance is ...

a)

the change in position of an object in motion.

b)

the total length of the path travelled by an object in motion.

c)

the rate of change in a body’s position

d)

the line an object moves along from a particular starting point

39.

Displacement is ...

a)

the rate of change in a body’s position

b)

the total length of the path travelled by an object in motion.

c)

the line an object moves along from a particular starting point

d)

the change in position of an object in motion.

40.
Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home.  What is Bill's distance?
a)
0 meters
b)
400 meters
c)
800 meters
d)
1600 meters
41.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
42.
A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
43.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
44.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
45.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking 
b)
Running
c)
Standing Still 
d)
Walking Fast
46.
Velocity is both ____ and _____. 
a)
speed , direction 
b)
direction, mass
c)
volume, density 
d)
direction, magnitude 
47.
You walk 10 meters to math class in 20 seconds. Your average speed is
a)
2 m/s
b)
0.5 m/s
c)
200 m/s
d)
5 m/s
48.
Which of the following represents a velocity?
a)
40 m
b)
40 m north
c)
40 m/s
d)
40 m/s north
49.
David walks 3 km north, and then turns east and walks 4 km. What is the distance?
a)
7 km
b)
3 km
c)
4 km
d)
1 km
50.
What is the equation to calculate speed?
a)
speed = distance/time
b)
speed = time/distance
c)
speed = time x distance 
d)
speed = speed/time 
51.

________________ is a unit of speed.

a)

m/s

b)

s

c)

kg

d)

hr

52.

____________ describes how fast something is going, whereas, ________ describes how fast something is going and in a certain direction.

a)

speed, velocity

b)

rate, speed

c)

rate, velocity

d)

speed, acceleration

53.
Velocity is both ____ and _____. 
a)
speed , direction 
b)
direction, mass
c)
volume, density 
d)
direction, magnitude 
54.

If a total distance of 750 m is covered in a time interval of 25 s, the average speed is ______________?

a)

3,974 mph

b)

3 mph

c)

30 mph

d)

30 m/s

55.

If a person walked at 2 m/s for 12 s he/she would travel a distance of _______.

a)

24 m

b)

6 m

c)

4 m

d)

none of the answers

56.
An object is _____ if its position changes relative to another object.
a)
in motion
b)
at reset
c)
a frame of refence
d)
magical
57.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
58.

What is required to change the velocity of an object?

a)

Friction.

b)

A velocity.

c)

A force.

d)

An exertion.

59.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
60.
Which runner won the race?
a)
Albert
b)
Bob
c)
Charlie
61.
How long did one of the runner's rest?
a)
8 seconds
b)
13 seconds
c)
5 seconds
d)
50 seconds
62.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
63.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
64.

Susie went to the store, when she got there she realized that she forgot her wallet and returned home.


Which graph matches this motion?

a)
b)
c)
d)
65.

What is the speed of the object at 3 hours?

a)

0 mi/hr

b)

24 mi/hr

c)

2.5 mi/hr

d)

6 mi/hr

66.
This graph demonstrates an object that is -
a)
Increasing speed
b)
At a constant speed
c)
Decreasing speed
d)
Stationary
67.
A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds

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