WorksheetsReview: Motion, Forces, and Newton's Laws
Total questions: 38
Worksheet time: 19mins
Name
Class
Date
1.
Type your name: Last, First
4 lines
2.
A mother elephant gently nudges her calf to drink. The mother elephant is careful of the force she is using because she is much larger than her calf.
a)
Newton's first law of motion
b)
Newton's second law of motion
c)
Newton's third law of motion
3.
A male giraffe has a large heavy head that is used to strike other males with tremendous force during confrontations.
a)
Newton's first law of motion
b)
Newton's second law of motion
c)
Newton's third law of motion
4.
A baby rhino runs playfully at his mother and bumps into her. The baby falls backward from the impact.
a)
Newton's first law of motion
b)
Newton's second law of motion
c)
Newton's third law of motion
5.
A fish swimming through water pushes water backwards with its fins. The water propels the fish forward.
a)
Newton's first law of motion
b)
Newton's second law of motion
c)
Newton's third law of motion
6.
A jockey rides her horse to the final hurdle of a competition. At the last minute the horse stops in front of the hurdle instead of jumping over it. The jockey flies off the horse and into the air.
a)
Newton's first law of motion
b)
Newton's second law of motion
c)
Newton's third law of motion
7.
The following measurement describes this type of motion: 3.48 m/s
a)
acceleration
b)
force
c)
speed
8.
The following measurement describes this type of motion: 951 N
a)
acceleration
b)
force
c)
speed
9.
The following measurement describes this type of motion: 65 miles/hour
a)
acceleration
b)
force
c)
speed
10.
Mass varies depending on where the object is located. _______________
a)
True
b)
False
11.
When a bug hits a windshield of a car, the force of the car on the bug equals the force of the bug on the car. _______________
a)
True
b)
False
12.
A force has both speed and mass. _______________
a)
True
b)
False
13.
Balanced forces acting on an object cause the object to accelerate. _______________
a)
True
b)
False
14.
A test booklet is sitting at rest on a desk. Compared to the force of the booklet on the desk, the force of the desk on the books is the same. _______________
a)
True
b)
False
15.
Acceleration is a change in ____.
a)
speed
b)
displacement
c)
velocity
d)
position
16.
Inertia ____.
a)
depends on direction
b)
resists a change in motion of an object
c)
depends on momentum
d)
both depends on direction and momentum
17.
One day you discover a shortcut to school. You have just shortened your _____.
a)
displacement
b)
reference point
c)
distance
d)
speed
18.
If the mass of one of two spheres increases, how does it affect the gravity between the two spheres?
a)
the gravity increases
b)
the gravity fluctuates
c)
the gravity decreases
d)
the gravity is not affected
19.
Lizzie is pushing Alex on a scooter. Lizzie is pushing with 75 N of force to the left and Alex is helping with 20 N to the left. What is the net force on the scooter?
a)
95 N, to the right
b)
55 N, to the right
c)
95 N, to the left
d)
55 N, to the left
20.
Travis is pushing his sister Claire on a swing. Travis is pushing with 35 N to the right. Claire pushes back with 42 N to the left. What is the net force and in what direction?
a)
7 N, to the right
b)
77 N, to the right
c)
7 N, to the left
d)
77 N, to the left
21.
Which of the following is an example of a contact force?
a)
you can push metal filings around with a magnet
b)
holding your pencil
c)
a ball falls toward Earth
d)
lift hair using a balloon that has been charged
22.
A snowball is thrown into a tree. The snowball hits the branch moving right with a force of 25 N. The tree resists the hit with a force of 15 N to the left. Which direction is the resulting force?
a)
to the right
b)
not moving
c)
to the left
d)
moving up
23.
Which of Newton’s Laws would allow a roller coaster passenger to fly right out of his seat if he did not have a lap belt over him and the roller coaster suddenly stopped?
a)
First Law
b)
Third Law
c)
Second Law
d)
None of the laws apply.
24.
A book is sitting on a dashboard of a car that’s stopped at a traffic light. As the car starts to move forward, the book slides off the dashboard. Pick the most correct explanation.
a)
There was grease on the dashboard.
b)
The object had inertia.
c)
A supernatural force took over.
d)
Air resistance made the book move backward.
25.
The word acceleration means to _____.
a)
exert a force on another object
b)
create a balanced force on another object
c)
create an unbalanced force on another object
d)
change the speed or direction
26.
The unit for force is _____.
a)
kilograms
b)
newtons
c)
seconds
d)
joules
27.
Which of the following is an example of a noncontact force?
a)
the bat hits the ball
b)
the pitcher throws the ball
c)
the runner gets tagged out
d)
the ball falls from the sky
28.
According to Newton’s third law of motion, when a hammer strikes and exerts a force on a nail, the nail _____.
a)
creates a balanced force
b)
does not move
c)
moves as a constant speed
d)
exerts an equal and opposite force back on the hammer
29.
Which of the following is affected by gravity?
a)
distance
b)
weight
c)
mass
d)
speed
30.
Friction acts in a direction _____ the applied force.
a)
opposite to
b)
away from
c)
the same as
d)
straight up from
31.
According to Newton's second law of motion, ____.
a)
F = mv
b)
a = Fnet /m
c)
F = m/a
d)
F = ma
32.
Newton's first law of motion states that an object stays in constant motion unless a(n) ____________________ force acts on it.
a)
balanced
b)
unbalanced
33.
If your speed changes from 10 km/h to 6 km/h, you have a(n) ____________________ acceleration.
a)
positive
b)
negative
34.
A tablecloth can be pulled out from under a place setting because of _______________.
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
35.
The tendency of an object to resist a change in motion is called ____________________.
a)
inertia
b)
stability
c)
gravity
d)
speed
36.
A(n) ____________________ is a push or pull that one object exerts on another.
a)
inertia
b)
stability
c)
force
d)
speed
37.
Friction always acts in a direction ____________________ to the direction of motion.
a)
opposite
b)
perpendicular
38.
If you are an astronaut slowly drifting away from the space station, you might be able to drift back to the station by throwing a 55-kg tool rapidly in the direction that you are traveling (away from the station).
a)
True
b)
False
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