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Physics Fall Semester Study Guide Print Off

Total questions: 55

Worksheet time: 3hrs 20mins

Name
Class
Date
1.

There are ____ meters in 25 kilometers.

a)

250 meters

b)

2500 meters

c)

25000 meters

d)

0.025 meters

2.

The metric base units for length is

a)

gram

b)

liter

c)

meter

d)

seconds

3.

The metric base unit for mass is the

a)

gram

b)

liter

c)

meter

d)

seconds

4.

Which unit is the smallest?  

a)
km
b)
mm
c)
m
d)
cm 
5.

Write the following number in scientific notation.

360

a)
b)
c)
d)
6.

Choose the bigger number.

a)
b)
7.

a)
b)
c)
d)
8.

You go on a hike on the blue path from point A to point B What distance did you travel

a)

4.6 km

b)

9.2 km

c)

10.3 km

d)

0 km

9.

You go on a hike on the blue path from point A to point B. What is your displacement

a)

4.6 km

b)

9.2 km

c)

10.3 km

d)

0 km

10.

A place or object (like a stop sign or mailbox) used for comparison to determine if another object is in motion is called a

a)

comparison point

b)

frame of reference

c)

point of view

d)

motion detector

11.

After completing one trip on a roller coaster, the roller coaster's ______ is zero.

a)

displacement

b)

reference point

c)

length

d)

distance

12.

If a cheetah covers 50 meters in 2 seconds, what is its speed in meters per second? (v=d/t)

a)

25 m/s

b)

100 m/s

c)

2 m/s

d)

50 m/s

13.

If a car travels 240 kilometers in 4 hours, what is its average speed?(v=d/t)

a)

60 km/h

b)

80 km/h

c)

40 km/h

d)

100 km/h

14.

If a cheetah runs at a constant speed of 25 m/s, how far will it travel in 10 seconds?(v=d/t or d=vt)

a)

250 meters

b)

600 meters

c)

250 meters

d)

60 meters

15.

The speedometer of a car moving northward reads 60 km/h. It passes another car that is traveling southward that reads 60km/h. Do both cars have the same speed? Do they have the same velocity?

a)

Same speed and velocity.

b)

Different speed ad velocity.n

c)

Same speed but different velocity.

d)

Different speed but same velocity.

16.

What is the total displacement of the object represented in this motion graph?

a)
5 meters
b)
4 meters
c)
2 meters
d)
0 meters
17.

A car starts from rest and accelerates uniformly to a speed of 5 m/s in 2.5 seconds. The magnitude of the acceleration of the car is

a)

2 m/s2

b)

2 m/s

c)

12.5 m/s2

d)

12.5 m/s

18.

In a graph of velocity vs. time, what is the slope of the line?

a)

speed

b)

acceleration

c)

time

d)

velocity

19.

A roller coaster accelerates from an initial velocity of 0.0 m/s to a final velocity of 60 m/s over 3 seconds.  What's the acceleration? (a=v/t)

a)

10 m/s2

b)

15 m/s2

c)

20 m/s2

d)

60 m/s2

20.

A rock falls 180m from a cliff to the ocean. How long is it in free fall?

a)

6s

b)

10s

c)

18s

d)

180s

21.

In a vacuum tube, a feather is seen to fall as fast as a coin. This is because

a)

gravity does not act in a vacuum

b)

air resistance does not act in a vacuum

c)

greater air resistance acts on the coin

d)

gravity is greater in a vacuum

22.

What are forces measured in?

a)

Kilograms

b)

Newtons

c)

Grams

d)

Meters

23.

What is Newton's First Law known as? The Law of

a)

Friction

b)

Mass

c)

Inertia

d)

Gravity

24.

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 

25.

What is the net force?

a)

20 N 

b)

0 N 

c)

400 N 

d)

40 N 

26.

Newton's second law of motion describes acceleration as force divided by __________.

a)

mass

b)

inertia

c)

speed

d)

direction

27.

According to __________, the acceleration of an object is equal to the net force acting on the object divided by the object's mass. 

a)

Newton's Second Law

b)

Newton's Third Law

c)

Newton's First Law

28.

F= mass * acceleration

A 20 kg bike accelerates at 10 m/s2. what is the force acting upon it?

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

29.

A baseball player hits a ball with 400 N of force. How much force does the ball exert on the bat?

a)

300

b)

400

c)

500

d)

Not enough info to tell

30.

When you hit a tennis ball with a racket...

a)

The ball exerts more force on the racket

b)

The ball and racket exert the same force on each other

c)

The racket exerts more force on the ball

d)

It depends on how hard you hit it

31.

Which object has more momentum?

a)

Baseball in the pitchers hand

b)

baseball, lost, in a messy room

c)

baseball in flight

d)

baseball in a catchers mitt

32.

The impulse is ______ the change in momentum

a)
greater than
b)
equal to
c)
less than
d)
always double
33.

The difference between a car hitting a wall vs. a car hitting a hay stack is

a)
the Impulse on the car hitting the wall is greater
b)
the change in momentum of the car hitting the wall is greater
c)
the force on the car hitting the hay stack is greater
d)
the collision time of the car hitting the hay stack is greater
34.

During a collision. an object experiences an impulse. How can this impulse be calculated?

a)

Multiplying force by time

b)

Multiplying mass by velocity

c)

Dividing velocity by time

d)

Multiplying mass by acceleration

35.

the reason padded dashboards are used in cars is that they _________

a)

increase the time of impact

b)

decreases the time of impact

c)

applies a force

d)

increases the impulse

36.

What does the law of conservation of momentum state

a)

the total momentum is equal to impulse

b)

the change in the momentum is equal to impulse

c)

there is no law of conservation of momentum

d)

the total momentum in an isolated system is conserved

37.

A 5kg ball has a momentum of 30kgm/s what is the balls speed

a)

150 m/s

b)

0/167 m/s

c)

6 m/s

d)

30 m/s

38.

A cannon recoils from launching a cannonball why is the speed of the cannons recoil small

a)

there is not enough speed

b)

energy is absorbed

c)

the cannon has a smaller mass

d)

the mass of the cannon is larger

39.

Define momentum

a)

a force

b)

mass times velocity

c)

change in momentum

d)

impulse

40.

A 3kg ball is thrown at 7m/s what is the balls momentum

a)

21 kgm/s

b)

28 kgm/s

c)

2.3 kgm/s

d)

0.42 kgm/s

41.

which has more momentum a large car moving at 30mph or a small car moving at 30mph

a)

small car moving at 30 mph because it has more mass

b)

large car moving at 30 mph because it has more mass

c)

both

d)

neither

42.

Superman is at rest and throws an asteroid that has more mass than he does, which moves faster?

a)

superman since he has less mass

b)

superman because he has more mass

c)

asteroid since it has more mass

d)

asteroid since it has less mass

43.

When gymnasts vault over the horse and land they land on a pad how does the pad help them?

a)

increases the time of impact increasing the force

b)

decreases the time of impact decreases the force

c)

increases the time of impact decreasing the force

d)

decreases the time of impact increasing the force

44.

If a truck has a linear momentum of 20000kgm/s and it is moving at 8 m/s what is its mass

a)

2500 kg

b)

0.00004 kg

c)

160000 kg

d)

0 kg

45.

Energy due to motion is ____________ energy. 

a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
46.

What kind of energy is stored energy?

a)

Potential

b)

Kinetic

c)

None of the above

d)

All of the above

47.

Which is the best example that something has kinetic energy?

a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
48.

Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?

a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
49.

How can a tennis ball and a bowling ball have the same momentum?

a)
have the same speed
b)
have different speeds
c)
one is moving backwards
d)
they can't
50.

What happens to her angular velocity when a figure skater brings in her arms?

a)
Increases her angular velocity
b)
Decreases her angular velocity
c)
Has no affect
51.

What is the weight of a 5 kg object? (g = 10 m/s^2) (W=mg)

a)
50 N
b)
100 N
c)
70 N
d)
30 N
52.

The faster a fluid moves, the lower the pressure is in the moving fluid compared to the fluid not moving as fast. This is called what? (This is also why the ball floats above the shop vac and the balloons came together.)

a)

Newton's Laws

b)

Bernoulli's Principle

c)

Wright Brothers Priciple

53.

What is the volume of the blocks?

a)

60mL

b)

50mL

c)

10mL

d)

12mL

54.

In Newtonian physics, ________________ is any motion of a body where gravity is the only force acting upon it.

a)

kinematics

b)

free fall

c)

mechanics

d)

velocity

55.

If you throw a baseball straight up, what is its velocity at the highest point?

a)
9.8 m/s2
b)
9.8 m/s
c)
0 m/s2
d)
0 m/s