WorksheetsForces and Motion Review
Total questions: 42
Worksheet time: 54mins
Name
Class
Date
1.
Pablo walks 5 meters in 5 seconds. What is his average speed?
a)
25 m/sec
b)
1 m/sec
c)
5 m/sec
d)
.25 m/sec
2.
A location on an object you use to measure how far it has traveled is called
a)
reference point
b)
motion
c)
location
d)
position
3.
The change of position is called
a)
position
b)
motion
c)
speed
d)
location
4.
The measure of the distance something moves in a given amount of time is called
a)
motion
b)
position
c)
speed
d)
location
5.
A wheelchair racer completes a 100 meter course in 20 seconds. What is his speed?
d= 100 m
t= 20 s
d= 100 m
t= 20 s
a)
10 m/s
b)
5 m/s
c)
2 m/s
d)
0 m/s
6.
Carlos lives 100 meters from his friend's house. What is his average speed if he reaches his friends house in 50 seconds?
Distance= 100 m
time = 50 seconds
Distance= 100 m
time = 50 seconds
a)
1 m/s
b)
2 m/s
c)
3 m/s
d)
4 m/s
7.
Find the net force: 15 N to the right, and another 15 newtons to the right.
a)
0 N Right
b)
0 N Left
c)
30 N Left
d)
30 N Right
8.
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
9.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger
b)
smaller
c)
equal
10.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
11.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
12.
Calculate the distance (in miles) that Daniel bikes if he maintains an average speed of 26 miles/hr for 7 hours
a)
33 miles
b)
3.71 miles
c)
182 miles
d)
676 miles
13.
A cricket can travel approximately 8 feet per minute. How many feet could a cricket travel in 75 minutes?
a)
83 feet
b)
9.375 feet
c)
180 feet
d)
600 feet
14.
James walked 14 miles at an average speed of 4 miles/hour. How long did it take him to walk 14 miles?
a)
18 hours
b)
3.5 hours
c)
18,000 minutes
d)
3.5 seconds
15.
A bee can fly at an average rate of 7 miles/hour. If a bee flew nonstop for 18 hours, how far will it have traveled?
a)
126 miles
b)
25 meters
c)
25 miles
d)
0.38 miles/hour
16.
A racecar can travel 500 miles at a speed of 125 miles per hour. At this speed, how long will it take the racecar to complete the 500 mile race?
a)
405 minutes
b)
3 days
c)
4 hours
d)
40 miles per hour
17.
Calculate the average speed (in miles per hour) of Cassandra who runs a 18 mile marathon in 6 hours.
a)
24 m/hr
b)
3 m/hr
c)
0.333 m/hr
d)
12 m/hr
18.
A race car goes from 100 m/s to rest in 25 seconds. What is its acceleration?
a)
-5 m/s2
b)
.4 m/s
c)
-0.25 m/s2
d)
-4 m/s2
19.
A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
20.
A ball takes 5 seconds to roll up a slanted hill. It starts with a velocity of 2.5 m/s up the hill and is moving at 0.5 m/s when it reaches the top of the hill. What is the average acceleration?
a)
5 m/s2
b)
0.4 m/s2
c)
-0.4 m/s2
d)
-1 m/s2
21.
Why does a car accelerate as it turns around a corner at a constant speed?
a)
Its direction changes
b)
It doesn't
c)
It slows down
d)
Its speeds up
22.
How can acceleration be zero?
a)
a car runs out of gas and slowly rolls to a stop
b)
a car decreases speed at a constant rate until it comes to rest
c)
car has constant speed and is traveling on a straight path
d)
the car travels round trip and is back at the starting point
23.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
24.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
25.
friction is a force that acts
a)
in the same direction as the motion
b)
opposite to the direction of the motion
c)
opposite to the applied forces
d)
the same direction as the applied force
26.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
27.
After a cannonball is fired into frictionless space, the amount of force needed to keep it going equals
a)
twice the force with which it was fired
b)
the same amount of force with which it was fired
c)
1/2 the force with which it was fired
d)
zero, since no force is requires to keep it moving.
28.
One object has twice as much mass as another object. The first object also has also twice as much...
a)
velocity
b)
gravitational acceleration
c)
inertia
d)
all of these
29.
The diagram above shows a box being pulled up the ramp. Which letter represents normal force?
a)
A
b)
B
c)
C
d)
D
30.
A student pushes 2 friends with 300N of force each. Friend A has a mass 40kg, and Friend B has a mass of 55kg. What is most likely to happen?
a)
Friend A will accelerate more
b)
Friend B will accelerate more
c)
Both friends will accelerate at the same rate
d)
They are both too massive to accelerate with such little force
31.
Two boulders are being accelerated at a rate of 1m/s/s. Boulder A is 220kg, and Boulder B is 267kg. What must be true?
a)
Boulder A is moving at a higher speed
b)
more force is applied to Boulder A
c)
Boulder B has a different velocity from Boulder A
d)
more force is applied to Boulder B
32.
Two dog sledding teams pull with exactly 3,000 N. Team A accelerates at 4.5 m/s/s, while Team B accelerates at 6.2 m/s/s. What must be true?
a)
Team B has more dogs
b)
Team A has less mass
c)
Team B has less mass
d)
Team B applies more force
33.
A student runs to class, applying 300N of force with each step, accelerating at 0.5 m/s/s. As she runs, she picks up his backpack from ground, and puts it on. She continues applying 300N of force per step. What is most likely to happen?
a)
Her acceleration will be less than 0.5 m/s/s
b)
Her speed will become constant
c)
Her direction will change
d)
Her acceleration will be greater than 0.5 m/s/s
34.
A plane accelerates at 10 km/h/s down a runway. It does not accelerate fast enough to get off the ground. What is one way the engineer could make the plane accelerate more.
a)
Change all the calculations from km/h to m/h
b)
Make the plane less massive
c)
Decrease the force that the plane produces for takeoff
d)
Make the wings more massive
35.
When a heavy football player hits a light football player, who exerts more force?
a)
The heavy one
b)
The light one
c)
They are equal
d)
there is no such thing as force
36.
As a ball falls, the action force is the pull of the Earth's mass on the ball. The reaction force is the_____________.
a)
air resistance acting against the ball
b)
acceleration of the ball
c)
nonexistent in this case
d)
pull of the ball's mass on the Earth
37.
If you are riding your bike and a fly hits you in the face which force is greater, the fly hitting you or you hitting the fly?
a)
the fly hitting me
b)
me hitting the fly
c)
both forces are equal
d)
there are no forces in the collision
38.
Newton's 3rd law states that when an object exerts a force on a second object
a)
the second object exerts half the force of the first object.
b)
the second object exerts an equal force in the opposite direction.
c)
the forces combine to act on a third object.
d)
a new Star Wars sequel is about to be released.
39.
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
40.
When Holly Holm's foot kicked Ronda Rousey's face, what was the reaction?
a)
The face pushed the foot
b)
Ronda Rousey got criticized by the media
c)
Rousey accelerated back
d)
Rousey got knocked out
41.
A bus hits a bug and the bug splatters on the windshield, which force is greater?
a)
The Bus
b)
The Bug
c)
They're the same
d)
Gravity acting on the bus
42.
A book rests on a table. The force of gravity pulls down on the book with a force of 20 newtons. What prevents the books from accelerating downward at 9.8 m/sec2
a)
The table presses back up on the book with an equal and opposite force of 20 newtons.
b)
The table presses back up on the book with a force greater than 20 newtons.
c)
The table and the book together are accelerating downwards at 9.8 m/sec2
d)
The inertia of the book holds it up
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