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Shawn Smith Force and Motion

Total questions: 75

Worksheet time: 3hrs 0mins

Name
Class
Date
1.

Pictures on the wall is hung by tape. The pictures was found on the ground. Which force acted upon the picture, causing it to fall?

a)

gravity

b)

friction

c)

magnetism

d)

evaporation

2.

A student wants to see how the size of an iron ball is affected by gravity. Which of the following would have to remain the same for the experiment to be successful?

a)

volume and material used

b)

mass and volume

c)

material used and shape of object

3.

A push or pull that can change the position or motion of an object/material is --

a)

magnetism

b)

motion

c)

force

4.

If you roll a toy car on different types of material. What are you testing by rolling the car on foil, felt, or carpeted material?

a)

gravity

b)

gravity and magnetism

c)

magnetism and friction

d)

friction

5.

Friction is the _________

a)

force of attraction that causes a magnetic material to move

b)

force that acts in an opposite directions to movement

c)

act of applying force in order to move something away

6.

Magnetism is

a)

a force that acts in an opposite directions to movement

b)

act of applying force in order to move something away

c)

force of attraction that causes a magnetic material to move

7.

Push is ___

a)

act of applying force in order to move something away

b)

force of attraction that causes a magnetic material to move

c)

A force that acts in an opposite directions to movement

d)

act of applying force in order to move something closer

8.

Which force most likely causes the skateboarder to skate down the halfpipe ramp over and over again?

a)

pushing

b)

magnetism

c)

friction

d)

gravity

9.

What force helps players score points in basketball?

a)

friction

b)

pulling

c)

magnetism

d)

gravity

10.

Which force keeps the letters from falling off the white board?

a)

friction

b)

gravity

c)

magnetism

d)

pulling

11.

If you rolled a golf ball, ping pong ball, and a tennis ball down a ramp. You record the observations. What should you do next?

a)

repeat with 3 different balls

b)

change the width of the ramp

c)

repeat this identical procedure several times

12.

A class was testing how far a train would travel after pushing it with different amounts of force. They recorded their results in the chart below.

Based on the data, how far would the train travel if it were pushed with 5 N of force?

a)

25 N

b)

15 N

c)

30 N

d)

31 N

13.

Two students were pulling on the rope below with the same amount of force. The man increased the amount of force he was using by 2 N and the woman increased the amount of force she was using by 4 N. Which BEST describes the motion that resulted after they increased force?

a)

The both moved farther from one another

b)

The man moved towards the woman

c)

The woman moved towards the man

d)

They both moved farther from one another

14.

Which of the following is the BEST title for this graph?

a)

Weekly Rainfall

b)

Lunch Choices

c)

Types of games

d)

Trees planted at the park

15.
Why do we need friction?
a)
It helps objects go faster. 
b)
It helps objects go up higher.
c)
It helps make objects go slower or stop.
16.
What does a curved line on a distance-time graph show?
a)
That the speed is changing. 
b)
That the object is not moving. 
c)
That the object is constant. 
17.
What are EQUAL forces acting on an object in opposite directions that do not change the object's motion?
a)
Friction
b)
Weight
c)
Balanced Forces
d)
Unbalanced Forces
18.
Ted was rolling a pencil on his desk and the pencil fell down to the ground. What force made this occur?
a)
Magnetism
b)
Gravity
c)
Friction
19.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
20.
The Quick Start Moving Company is a box of feathers and a box of Legos for the Smith family. Which box has more mass? 
a)
the box of feathers
b)
the box of Legos
c)
Neither box
21.
The Quick Start Moving Company is a box of feathers and a box of Legos for the Smith family. Which box will be easier to move? 
a)
the box of Legos
b)
the box of feathers
c)
both boxes will be hard to move
22.
At which point does the cart have the greatest amount of kinetic energy?
a)
W
b)
X
c)
Y
d)
Z
23.
At which point does the cart have the greatest amount of potential energy?
a)
W
b)
X
c)
Y
d)
Z
24.
What is the net force on the object, and which direction will the object move?
a)
18 N to the right 
b)
2 N to the right 
c)
18 N to the left 
d)
2 N to the left 
25.
During tug-of-war, one side of students were pulling with a force of 120 N and the other side was pulling with a force of 80 N. Were these forces balanced or unbalanced? 
a)
Balanced 
b)
Unbalanced 
26.
In the speed vs time graph, what is happening to the object's speed?
a)
The object's speed is increasing. 
b)
The object's speed is decreasing. 
c)
The object's speed is the same (constant). 
27.
Which line on the position vs time graph represents (shows) an object returning or going towards the starting place?
a)
A
b)
B
c)
C
d)
D
28.
If a car travels 80 miles in 2 hours, what is the car's speed?
a)
30 mi/hr
b)
40 m/s
c)
45 m/s
d)
40 mi/hr
29.
This picture shows two forces acting on a domino.  What do the arrows show? 
a)
Unbalanced forces, domino moves
b)
balanced forces, no movement 
30.
What force is slowing down the parachutes fall? 
a)
magnetic force
b)
gravity
c)
air resistance
d)
pull
31.
What force is causing the parachute to fall down towards Earth?
a)
magnetic force
b)
gravity
c)
air resistance
d)
pull
32.
Here is a simple chain reaction machine.  The carpet causes the car to 
a)
move slower because there is more friction 
b)
move faster because there is less friction 
c)
go off course 
d)
send sparks 
33.
Here is a simple chain reaction machine.  The machine starts when a domino is pushed.  What force will make the car move?
a)
friction
b)
gravity
c)
the ball will push the car
d)
the trash can will pull the car
34.
The ruler is used to measure the height of a ramp.  How tall is the ramp?
a)
1 Cm
b)
3 cm
c)
5 cm
35.

Speed can be found by calculating...

a)

acceleration/ velocity

b)

friction/ gravity

c)

momentum/ time

d)

distance/ time

36.

Inertia is...

a)

for every action, there is an equal and opposite reaction

b)

larger objects take more force to move

c)

an object in motion tends to stay in motion unless acted on by an opposite force

d)

a push that acts in the opposite direction and it slows down

37.

John walks at 5 km in 10 minutes. If John only walks 2.5 km at the same speed, what is the BEST estimate of the time this will take?

a)

5 minutes

b)

10 minutes

c)

15 minutes

d)

20 minutes

38.

Hanna's mom drives north for 2 hours going 70 miles per hour. She then drives west for 3 hours going 50 miles per hour. How many miles has Hanna's mom driven in all?

a)

200 miles

b)

250 miles

c)

290 miles

d)

300 miles

39.

Four solid balls, each with a different mass, are moving at the same speed. Which ball would require the most force to STOP its motion?

a)

ball with a mass of 5 kg

b)

ball with a mass of 10 kg

c)

ball with a mass of 15 kg

d)

ball with a mass of 20 kg

40.

Which list shows what can happen to the motion of an object when only ONE force is acting on the object?

a)

the object speeds up, slows down, sits at rest

b)

the object changes direction, speeds up, slows down

c)

the object moves at a constant speed, speeds up, slows down

d)

the object moves at a constant speed, changes direction, speeds up

41.
___ forces can be considered a push or a pull.
a)
Balanced
b)
Unbalanced
c)
All
42.
John and Marty are moving a table.  John exerts a force of 25 newtons to push the table to the right and at the same time Marty exerts a force of 15 newtons to push the table to the left.  What is the net force?  
a)
40 N to the left
b)
40 N to the right
c)
10 N to the left
d)
10 N to the right
43.
The green team is pulling the the rope with a force of 2500 N to the right.  The blue team is pulling the rope with a force of 2200 N to the left.  What is the net force?
a)
4700 N towards the green team
b)
4700 N towards the blue team
c)
300 N towards the green team
d)
300 N towards the blue team
44.
The guy in the green shirt is pulling on the rope with a force of 200 newtons.  The guy in the red shirt is pulling on the rope with a force of 200 newtons.  What is the net force and what direction will the rope move?
a)
400 N to the right
b)
400 N to the left
c)
0 N and the rope will not move
d)
0 N and the rope will move towards the guy in the red shirt
45.
What are two factors that affect the force of gravity?
a)
speed and direction
b)
distance and time
c)
mass and distance
d)
type of surface and how hard they are pressing against each other
46.
Determine the speed at 20 seconds based on the information shown in the graph.  Speed = distance/time
a)
2 m/s
b)
10 m/s
c)
20 m/s
d)
.5 m/s
47.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
48.
A school bus drives 35 mph down the street and slows as it approaches the stop sign.  This is an example of..

a)
acceleration
b)
speed
c)
velocity
d)
force
49.
In which free body diagram will the forces acting on the box result in it moving up and to the right?
a)
box 1
b)
box 2
c)
box 3
d)
box 4
50.
Calculate the force of a bowling ball when it strikes the pins if it was accelerating at 10 m/s2 and has a mass of 15kg.  Use the equation FORCE = MASS X ACCELERATION
a)
150N
b)
150Kg
c)
1.5N
d)
1500N
51.
Calculate the mass of a teddy bear that is dropped from a building if it hits the floor with a force of 1000N while accelerating at 25 m/s2.  FORCE = MASS X ACCELERATION

a)
25000kg
b)
40kg
c)
.025kg
d)
1025kg
52.
A space rock traveling east at a constant rate has..
Una roca espacial que viaja
al este a una velocidad constante ..
a)
speed and velocity, but no acceleration
b)
velocity, but no acceleration or speed
c)
speed, but no velocity or acceleration
d)
acceleration and speed, but no velocity
53.

What is this?

"This car is speeding up"

a)

Speed

b)

Velocity

c)

Acceleration

54.

What is this?

A car is traveling 50 mph.

a)

Speed

b)

Velocity

c)

Acceleration

55.

What is this?

"This airplane is traveling at 500 mph, West"

a)

Speed

b)

Velocity

c)

Acceleration

56.

What is this?

"Rocky is running 8mph North"

a)

Speed

b)

Velocity

c)

Acceleration

57.

What is this?

"The car has to go from 40mph to 60mph when entering the freeway"

a)

Speed

b)

Velocity

c)

Acceleration

58.
a)

1

b)

2

c)

3

d)

All of the above

59.

Which law best describes inertia

a)

1

b)

2

c)

3

d)

All of the above

60.
a)

1

b)

2

c)

3

d)

All of the above

61.
a)

1

b)

2

c)

3

d)

All of the above

62.
a)

1

b)

2

c)

3

d)

All of the above

63.

Action / reaction

a)

1

b)

2

c)

3

d)

All of the above

64.

Equal and opposite

a)

1

b)

2

c)

3

d)

All of the above

65.
a)
1st
b)
2nd
c)
3rd
d)
law of motion
66.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
67.
You hit a wall with a stick.  The equal but opposite reaction is _____
a)
the wall pushes against you
b)
the stick pushes against you
c)
you push against the stick
d)
the wall pushes against the stick
68.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
69.
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
70.
What Newtons law does this picture represent
a)
Newtons 2nd law 
b)
Law of gravity 
c)
Newtons 1st law
d)
Newtons 5th law
71.

Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.

a)

The Law of Inertia

b)

The Law of Acceleration

c)

The Law of Action/Reaction

72.
Force pair that has a net force of zero.
a)
Balanced force
b)
Unbalanced force
73.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
74.
Which one is balanced?
a)
top
b)
bottom
c)
both
d)
neither
75.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left