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Segment 1 Review 8/22

Total questions: 50

Worksheet time: 1hrs 17mins

Name
Class
Date
1.

Newton's 1st Law is also called the Law of ...

a)

Friction

b)

Inertia

c)

Unbalanced forces

d)

Newtons

2.
An object in motion tends to stay in motion unless an ___ force acts on it.
a)
unbalanced
b)
balanced
3.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
4.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
5.
What is the net force?
a)
11 N left
b)
11 N right
c)
3 N left
d)
3 N right
6.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
7.

A space probe that has run out of fuel in remote outer space (where there is no friction and no other planets or stars) continues moving

a)

because some kind of force acts on it.

b)

in a curved path.

c)

even though no force acts on it, due to inertia

d)

due to gravity.

8.
What is the net force?
a)
1.3 N left
b)
1.3 N right
c)
3.7 N left
d)
3.7 N right
9.
Students are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?
a)
The ribbon will move to the left and group A will win the tug-of-war.
b)
The ribbon will move to the left and group B will win the tug-of-war.
c)
The ribbon will move to the right and group B will win the tug-of-war.
d)
The ribbon will move to the right and group A will win the tug-of-war.
10.

Student A is pushing at 63 newtons, and student B is pushing at 56 newtons. What is the net force (calculation).

a)

119 N Right

b)

7

c)

7 N Right

d)

119

11.
a)

A

b)

B

c)

C

d)

D

12.

Which of the following is experiencing the greatest net force?

a)

A

b)

B

c)

C

d)

D

e)

All net forces are the same

13.

Different materials, A, B, C, and D rest on a table

Which item will resist being set into motion the most

a)

A

b)

B

c)

C

d)

D

14.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
law of gravity 
c)
Newtons 4th law 
d)
Newtons 2nd law
15.

A person’s body is thrown outward as a car rounds a curve on a highway.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

16.
What is Newtons 1st law of motion?
a)
Force= Mass multiplied by acceleration 
b)
An object at rest stays at rest unless acted on an unbalanced force. (inertia)
c)
For every action there is a equal and opposite  re-action.
d)
law of gravity 
17.
What is Newtons 2nd law of motion?
a)
Pancakes 
b)
Force= Mass multiplied by acceleration
c)
For every action there is a equal and opposite  re-action.
d)
Law of gravity 
18.
An object with a mass of 6.0 kg accelerates 4.0 m/s2 when an unknown force is applied to it. What is the amount of the force?
a)
240 N
b)
24 N
c)
2.4 N
d)
0.24 N
19.

Jenny applies a 60 N force to a 20 Kg cart, what is the acceleration of the cart if friction can be neglected?

a)

1200 m/s2

b)

0.33 m/s2

c)

20 m/s2

d)

3 m/s2

20.
With unbalanced forces, the object will move in the direction that the _______ force is being applied.
a)
larger 
b)
smaller 
c)
equal 
d)
less
21.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Kilograms
22.
What happens when unbalanced forces act on an object at rest?
a)
the object remains at rest
b)
the object begins moving in an unpredictable direction
c)
the object begins moving in the direction of the net force
d)
the object begins moving opposite to the direction of net force
23.

which box has more acceleration?

a)

top

b)

bottom

24.

A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object.

a)

100 m/s2

b)

70 m/s2

c)

15 m/s2

d)

4 m/s2

25.

A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object.

a)

100 m/s2

b)

70 m/s2

c)

15 m/s2

d)

4 m/s2

26.

A cat has a mass of 200 kg and accelerates at 3 m/s2 to catch a mouse. How much force would be needed to stop the cat?

a)

200 N

b)

300 N

c)

500 N

d)

600 N

27.

An object of mass 30 kg experiences a force of 60 newtons. Calculate the acceleration.

a)

180 m/s2

b)

90 m/s2

c)

20 m/s2

d)

2 m/s2

28.

Calculate the missing information.

a)

5 m/s2

b)

8 m/s2

c)

12 m/s2

d)

20 m/s2

29.

Two objects accelerate at 4 m/s2. Object 1 has a mass of 45 kg. Object 2 has a mass of 50 kg. Which object would require more force to move?

a)

Object 1

b)

Object 2

30.

What is the unit for force?

a)

kg

b)

newton

c)

m/s

d)

m/s2

31.

What is the equation needed to solve for acceleration?

a)

A=fm

b)

A=m/f

c)

A=f/m

32.
Distance and direction of an object's change in position from a starting point
a)
displacement
b)
distance
c)
motion
d)
reference point
33.
 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?
a)
800
b)
400
c)
0
d)
200
34.
Sara walks from Point A to Point B. Which is true?
a)
Distance and displacement are EQUAL
b)
Distance is less than displacement
35.
Which is an example of VELOCITY?
a)
A dog running at 3 m/s
b)
A deer sprinting at 4 m/s
c)
A migrating bird headed south for the winter at 3 m/s
d)
A person not moving at all
36.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
37.

What is the unit for mass?

a)

kg

b)

newton

c)

m/s

d)

m/s2

38.

Which of the following is an example of Newton's 3rd Law?

a)

A rocket launching

b)

A ball rolling down a hill

c)

A car accelerating

d)

A book resting on a table

39.

What happens to an object when balanced forces act on it?

a)

It accelerates

b)

It changes direction

c)

It remains at rest or moves with constant velocity

d)

It decelerates

40.

What is the unit for force?

a)

kg

b)

newton

c)

m/s

d)

m/s^2

41.

Which of the following is an example of Newton's 1st Law?

a)

A rocket launching

b)

A ball rolling down a hill

c)

A car accelerating

d)

A book resting on a table

42.

An object with a mass of 10 kg accelerates at 2 m/s^2. What is the force applied?

a)

5 N

b)

10 N

c)

20 N

d)

40 N

43.
An automobile you are riding in suddenly stops, but you continue to go forward.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
44.

What does Newton's First Law of Motion state?

a)

An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

b)

The acceleration of an object is directly proportional to the net force acting on the object and inversely proportional to its mass.

c)

For every action, there is an equal and opposite reaction.

d)

The force of gravity acting on an object is directly proportional to its mass.

45.

A car is driving at a constant velocity of 75 m/s on the highway headed to Tucson, on a windy day. What is the force acting upon it to continue it's state of motion?

a)

0 N, due to "the constant velocity" which means the car is already moving. It does not need force to continue it's state of motion.

b)

Really? This question again? Obviously it is 75 m/s because of one of Newton's Laws.

c)

Wait, I do know, I just don't know how to explain it. But, It is one of the laws... right?

d)

75 N to the right, due to action and reaction, as well as inertia.

46.

The girl on the sled will remain in motion unless

a)

her motion is changed by magnetic forces.

b)

she is stopped by an outside force.

c)

she accelerates at a constant speed.

d)

the force of friction forcer her to move faster.

47.

What does it mean when forces are balanced?

a)

The object is accelerating.

b)

The object is moving at a constant velocity.

c)

The object is at rest.

d)

Both B and C are correct.

48.

Newton's Second Law of Motion can be mathematically expressed as:

a)

F=maF = ma

b)

a=Fma = \frac{F}{m}

c)

Both A and B

d)

None of the above

49.
Which object has the most inertia?
a)
penny
b)
bus
c)
table
d)
paperclip
50.

What is the effect of mass on inertia?

a)

More mass means less inertia.

b)

Mass has no effect on inertia.

c)

More mass means more inertia.

d)

Only shape, not mass, affects inertia.