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Review Newton's Law of Motion

Total questions: 39

Worksheet time: 3625secs

Name
Class
Date
1.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
2.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
3.
A force that opposes motion between a surface in contact with the atmosphere.
a)
air resistance
b)
gravity
c)
momentum
d)
terminal velocity
4.
An archer pulls the bowstring back, then releases the string and the arrow flies forward. The arrow flying forward is the...
a)
action force
b)
reaction force
c)
net force
d)
inertia
5.
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.
6.
What is the net force on the block? (click on the words to view the picture)
a)
5 Newtons up
b)
5 Newtons down
c)
15 Newtons up
d)
15 Newtons down
7.
Are forces balanced or unbalanced when a marble rolls down a ramp?
a)
Balanced
b)
Unbalanced
8.

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)

a)

The one with a mass of 0.78 kg will have the greatest acceleration.

b)

The one with a mass of 0.52 kg will have the greatest acceleration.

c)

They will both accelerate at the same rate.

9.

If an object is stationary (not moving) the forces acting upon it are _____________

a)

unbalanced

b)

weak

c)

balanced

d)

non existent

10.
A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s2. Determine the mass of the encyclopedia?
a)
 m = 3.0 kg
b)
m = 4.0 kg 
c)
m = 3.0 ml 
d)
m = 30.0 g
11.
How much does a 6.0 kg bag of bolts weigh? (w = m*g) (g = 9.81 m/s2)
a)
6.0N
b)
12.0N
c)
58.8N
d)
600N
12.
What is the coefficient of static friction if it takes 44 N of force to move a box that has a mass of 8.75 kg? 
a)
0.78
b)
0.51
c)
0.78 N
d)
0.58 N
13.

A car has a mass of 210 kg and has a coefficient of friction between the ground and its tires of .75. What force of friction can it exert on the ground?

a)

15000 N

b)

7000 N

c)

1543 N

d)

500 N

14.
Which way is the force  moving?
a)
it's not , it is balanced or moving at a constant
b)
to the right
c)
to the bottom
d)
up
15.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
16.
Name the missing force...
a)
weight force
b)
normal force
c)
applied force
d)
frictional force
17.
The chart below lists the forces applied to each of four toy cars. If all the cars accelerate at the same rate, which car must have the largest mass?
a)
P
b)
Q
c)
R
d)
S
18.
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
a)
The cannon moving forward
b)
The cannonball moving forward
c)
The cannon moving backward
d)
The cannonball moving backward
19.

The table shows the acceleration of different objects when acted upon by a constant force. What happens to its acceleration?

a)

P

b)

Q

c)

R

d)

S

20.
The weakest of the four fundamental forces is: 
a)
Gravity 
b)
Electromagnetism
c)
Strong Nuclear 
d)
Weak Nuclear 
21.
 Find the acceleration of the 1 kg block in the following diagram 
a)
5 m/s
b)
4 m/s2
c)
4 m/s
d)
5 m/s2
22.
If the mass of an object is 1000 kg on Earth, what is it's mass on the moon?
a)
10kg
b)
100kg
c)
1000kg
d)
10,000kg
23.
Describe the forces and motion at Point 1.
a)
Balanced Forces, Constant Speed
b)
Balanced Forces, Acceleration
c)
Unbalanced Forces, Constant Speed
d)
Unbalanced Forces, Acceleration
24.

The reaction force of a book pushing on a table is...

a)

the table pushing on the book.

b)

the table pushing on the ground.

c)

the book pushing on the table.

d)

gravity pulling on the book.

25.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
26.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
27.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
28.

A skydiver that weighs 500 N jumps out of a plane. As he falls the force of air resistance acting upon him continually changes. Determine the acceleration. Use g = 10 m/s/s

a)

14 m/s/s [up]

b)

14 m/s/s [down]

c)

1.4 m/s/s [up]

d)

1.4 m/s/s [down]

29.
What is the net force on the block? (click on the words to view the picture)
a)
5 Newtons up
b)
5 Newtons down
c)
15 Newtons up
d)
15 Newtons down
30.
What force brings the pencil down?
a)
Friction
b)
Magnetic
c)
Electric
d)
Gravitational
31.
What force does a parachute use to slow things down before hitting the ground?
a)
Friction
b)
Air resistance
c)
Water resistance
d)
Wind
32.
On the Picture the balloon pushes the air right and the balloon goes left. Which of Newton's Laws is this?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
33.
Which has more mass, a kilogram of feathers or a kilogram of iron? 
a)
feathers 
b)
iron
c)
neither
34.
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
35.

In the free-body diagram, which of the following is the gravitational force acting on the balloon?

a)

5120 N

b)

950 N

c)

1520 N

d)

4050 N

36.
Who wins the tug of war with what net force?
a)
The person on the left with 20 N
b)
The person on the left with 80 N
c)
The people on the right with 20 N
d)
The people on the right with 100 N
37.
Which Free body diagram shows an egg free-falling from a nest in a tree. Neglect air resistance.
a)
A
b)
B
c)
C
d)
D
38.
Which Free body diagram shows a skydiver descending with a constant velocity. Consider air resistance. Consider frictional forces. 
a)
A
b)
B
c)
C
d)
D
39.
Which Free body diagram shows a book sitting on a desk.
a)
A
b)
B
c)
C
d)
D

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