WorksheetsForce, Mass, Acceleration, and Gravity
Total questions: 56
Worksheet time: 1hrs 5mins
Name
Class
Date
1.
Which force is so low that it causes the man to slip and fall?
a)
Gravity
b)
Friction
c)
Air Resistance
d)
Motion
2.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
3.
Newtons 1st law of motion states:
a)
An object in motion will stay in motion and an object in rest will stay in rest unless acted upon by and unbalance force.
b)
For every action there is an equal and opposite reaction.
c)
Acceleration is produced when a force. acts on a mass.
d)
The greater the mass the greater the amount of force needed to change its motion.
4.
What is the standard unit force is measured in?
a)
N
b)
lbs
c)
g
d)
m/s
5.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced
a)
12 N Right No
b)
4 N Left No
c)
12 N Right Yes
d)
4 N Left Yes
6.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
7.
Which is correct?
a)
speed = distance x time
b)
speed = speed divided time
c)
speed = Distance divide time
d)
Speed = time x speed
8.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
9.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Deacceleration
d)
Not moving
10.
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
11.
How is acceleration shown when you are slowing down.
a)
Positive
b)
Negative
12.
Velocity is both
a)
Distance and time
b)
Speed and direction
c)
Acceleration and time
d)
Time and money
13.
Calculate the average speed (in km/h) of a car stuck in traffic that drives 12 kilometers in 2 hours.
a)
0.17 km/hr
b)
6 km/hr
c)
0.2 km/hr
d)
24 km/hr
14.
Force = Mass x Acceleration
A 50 pound dog pushed by his owner at 5 m/sec has how much force?
A 50 pound dog pushed by his owner at 5 m/sec has how much force?
a)
55 N
b)
250 N
c)
10 N
d)
10000 N
15.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
16.
Acceleration is defined as the CHANGE in
a)
time of motion to another place.
b)
velocity
c)
distance
d)
speed
17.
Acceleration only takes place when things speed up.
a)
True
b)
False
18.
initial v=5 m/s, final v=0 m/s, time is 20 seconds, what is a (acceleration)
a)
(0-5)/20
b)
(5-0)/20
c)
5/20
d)
20/(5-0)
19.
When are you undergoing an acceleration in a car?
a)
speed up
b)
slow down
c)
make turns
d)
All of the above
20.
A measure of how much matter something has
a)
Force
b)
Gravity
c)
Mass
d)
Weight
21.
A measure of how strongly gravity pulls downwards
a)
Gravitational pull
b)
Gravity
c)
Mass
d)
Weight
22.
This FORCE pulls things. It PULLS things into orbit around the sun.
a)
Newton
b)
gravity
c)
weight
d)
path
23.
Students described the amount of force needed to change the motion for each ball from idle to rolling. Which statement is true?*
a)
The beach ball has less mass, but it took more force to make it roll.
b)
The bowling ball has less mass, but it took more force to make it roll.
c)
The beach ball has more mass, therefore it took less force to make it roll.
d)
The bowling ball has more mass, therefore, it took more force to make it roll.
24.
A boy got a new balloon launcher. He experimented with different size balloons. What is the best hypothesis for this experiment?
a)
If the friction of the balloon decreases, then the mass needed by the launcher will need to increase
b)
If the force of the balloon decreases, then the mass needed by the launcher to move the balloon will also decrease.
c)
If the mass of the balloon increases, then the force needed by the launcher to move the balloon will also need to increase.
d)
If the size of the balloon increases, then the speed needed by the launcher to move the balloon will need to decrease.
25.
Which of the following statements is true if both boxes are full?
a)
The boxes each require a different amount of force in order to move.
b)
The box of light bulbs requires more force to move than the box of books.
c)
The two boxes are the same size and shape so the same amount of force is required to move each box.
d)
It takes less force to move the box of books than the box of light bulbs.
26.
Which scenario would require the greatest amount of force if all boxes are the same size?
a)
Pushing a box full of books up a ramp.
b)
Pushing an empty box down a ramp.
c)
Pushing a box full of books down a ramp.
d)
Pushing an empty box up a ramp.
27.
If an equal force was exerted on boxes of various weights, which box would move the farthest?
a)
A 10lb box
b)
A 30lb box
c)
A 20lb box
d)
A 50lb box
28.
a)
Start the car just passed halfway mark on the ramp.
b)
Start the car at the bottom of the ramp.
c)
Start the car at the top of the ramp.
d)
Start the car just before the halfway mark on the ramp.
29.
a)
The box will slowly turn in place.
b)
The boxy will moved toward student 1.
c)
The box will move toward student 2.
d)
The box will not move.
30.
Gravity _______ as mass decreases.
a)
increases
b)
decreases
31.
Gravity decreases as distance _________.
a)
increases
b)
decreases
32.
Friction usually _________ with the roughness of a surface.
a)
increases
b)
decreases
33.
Friction ___________ as the weight of the object becomes lighter.
a)
increases
b)
decreases
34.
How much force is needed to accelerate a 3kg skateboard at 5m/s2.
a)
8N
b)
1.6N
c)
0.6N
d)
15N
35.
How much force is needed to accelerate a 25kg bowling ball at 2m/s2.
a)
50N
b)
5N
c)
12.5N
d)
100N
36.
If a 2kg bird is pushed by the wind with a force of 2N, how fast does the bird accelerate?
a)
1 m
b)
2 m/s2
c)
4m/s2
d)
1 m/s2
37.
What are Newton's 3 Laws?
a)
Law of Action-Reaction, Law of Inertia and Law of Velocity
b)
Law of Speed, Law of Action-Reaction, Law of Force and Acceleration
c)
Law of Inertia, Law of Force and Acceleration, and Law of Action-Reaction
d)
Law of Mass and Acceleration, Law of Action-Reaction, and Law of Inertia
38.
Look at this scenario, which law does this represent?
a)
Law of Inertia
b)
Law of Force and Acceleration
c)
Law of Action-Reaction
39.
In this scenario, which law does this represent?
a)
Law of Inertia
b)
Law of Force and Acceleration
c)
Law of Action-Reaction
40.
In this scenario, which law does this represent?
a)
Law of Inertia
b)
Law of Action-Reaction
c)
Law of Force and Acceleration
41.
A student uses the same force to launch a golf ball, a ping pong ball, a bowling ball, and a baseball on a track. Which object will move the fastest?
a)
The golf ball
b)
The ping pong ball
c)
The bowling ball
d)
The baseball
42.
Four cars are at the starting line of a race. Which car will require the most force to start moving?
a)
car with mass of 1200 kilograms
b)
car with mass of 1500 kilograms
c)
car with mass of 1700 kilograms
d)
car with mass of 2000 kilograms
43.
Four different students take turns pushing a large, heavy ball on the school parking lot. What is the best way to determine which student used the most force to push the ball?
a)
compare the sizes of the students
b)
compare the ages of the students
c)
compare the distances that the ball rolled
d)
compare the number of times the ball was rolled
44.
What can cause a moving object to increase its speed in a forward direction?
a)
a force pushing on the object from the opposite direction
b)
a force that continually acts on the object in the direction the object is moving
c)
an increase in the mass of the object
d)
a decrease in the mass of the object
45.
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
46.
Molly is trying to improve on hitting a softball. Which will most likely help to improve Molly’s hitting?
a)
a lighter ball and a lighter bat
b)
a heavier ball and a lighter bat
c)
a lighter ball and a heavier bat
d)
a heavier ball and a heavier bat
47.
Wagon Q has a larger mass than Wagon T. If the wagons were pushed with the same amount of force across the same surface, which would most likely happen?
a)
Wagon Q would move farther than Wagon T.
b)
Wagon T would move farther than Wagon Q.
c)
Wagon T’s mass would increase as Wagon Q’s mass decreased.
d)
Wagon Q’s mass would increase as Wagon T’s mass decreased.
48.
If these boys are pulling with the same amount of force. What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
49.
A student is pushing a box of books across the floor. The student stops, removes some of the books, and then continues pushing the box across the floor. Which best explains how removing some of the books affected the motion of the object?
a)
Removing some of the books reduced the mass of the box, and less force was needed to push it across the floor.
b)
Removing some of the books reduced the mass of the box, and more force was needed to push it across the floor.
c)
Removing some of the books did not affect the amount of force needed to push it across the floor.
d)
Removing some of the books decreased the mass of the box, and the same amount of force was needed to push it across the floor.
50.
The unit we use to measure acceleration is ___.
a)
meters / second
b)
meters
c)
seconds
d)
meters / second / second
51.
You are walking in a straight line at a consistent speed. Do you have acceleration?
a)
no
b)
yes
52.
As you walk you make a right turn. Do you have acceleration?
a)
yes
b)
no
53.
You are walking and start to slow down. Do you have acceleration?
a)
yes
b)
no
54.
A negative acceleration means that your object is _____.
a)
Going to Wal-mart
b)
running for president
c)
speeding up
d)
slowing down
55.
Which shows a distance?
a)
10 m
b)
10 m/s
c)
10 m/s north
d)
10 m/s squared
56.
Which shows a velocity?
a)
10 m
b)
10 m/s
c)
10 m/s north
d)
10 m/s squared
100 %
