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Physics Quiz First Trimester

Total questions: 99

Worksheet time: 33mins

Name
Class
Date
1.

A curved groove is place on the top of a level table as shown in the diagram. A ball is pushed in the groove at P so that it leaves at Q. Which picture shows how the ball will move when it leaves the groove at Q?

a)
b)
c)
d)
2.

At the instant shown in the diagram, the car's centripetal acceleration is directed-

a)

toward E

b)

toward N

c)

toward W

d)

clockwise

3.

At the position shown in the diagram, which arrow indicates the direction the instantaneous (tangential) velocity of the cart?

a)

A

b)

B

c)

C

d)

D

4.
Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?
a)
0.25 ms-2
b)
0.5 ms-2
c)
1 ms-2
d)
2 ms-2
5.
A pilot experiences centripetal acceleration of 2g's while maneuvering a loop at a speed of 400 m/s.  What is the radius of the loop?
a)
203 m
b)
8163 m
c)
80,003 m
d)
23 m
6.
The velocity is always _____ to the line of a circle. 
a)
outwards
b)
towards the center
c)
tangent
d)
faster
7.
If the radius of the string is .3 meters long and the stopper makes 5 revolutions per second, what is the speed of the stopper? (Hint: C=2πr)
a)
9.4 m/s
b)
6.8 m/s
c)
11.7 m/s
d)
3.5 m/s
8.
What happens to an object's speed as the radius decreases?
a)
It increases.
b)
It decreases.
c)
It remains unchanged.
9.

The drum of a washing machine rotates 600 times in 1 minute. What is the frequency of the drum?

a)

600 Hz

b)

10 Hz

c)

0.1 Hz

d)

0.002 Hz

10.
Which represents the acceleration of the ball?
a)
A
b)
B
c)
C
d)
D
11.
Which of the following depict the speed of the blowing ball?
a)
A
b)
B
c)
C
d)
D
12.

moving or tending to move toward a center...

a)

centripetal force

b)

centrifugal force

c)

Tangent

d)

Curvature

13.

the process or act of turning or circling around something

a)

Curvature

b)

Rotation

c)

Radius

d)

Orbit

14.
Where is the net force when the rollercoaster is at the top of the loop?
a)
Towards the sky
b)
Towards the Right
c)
Towards the left
d)
Towards the ground
15.
A particle P is moving in a circle with uniform speed. Which one of the following diagrams correctly shows the direction of the acceleration a and velocity v of the particle at one instant of time?
a)
A
b)
B
c)
C
d)
D
16.
What is the direction of the velocity at point B, if the ball is revolving clockwise?
a)
up
b)
right
c)
down
d)
left
17.
What is the direction of the acceleration at point A, if the ball is revolving clockwise?
a)
up
b)
right
c)
down
d)
left
18.
What is the direction of the acceleration at point B, if the ball is revolving clockwise?
a)
up
b)
right
c)
down
d)
left
19.
Which statement is true about an object that is traveling in uniform circular motion?
a)
The speed of the object varies.
b)
The net force on the object is directed toward the center of the circular path.
c)
The direction of the object's velocity is constant.
d)
The net force on the object is directed away from the center of the circular path.
20.
Centripetal acceleration always points
a)
in the direction of the object's motion
b)
in the opposite direction of the object's motion
c)
towards the center of the circle
d)
towards the outside of the circle
21.
What is the direction of the velocity at point A, if the ball is revolving clockwise?
a)
up
b)
right
c)
down
d)
left
22.
What is the SI unit for circumference?
a)
meter
b)
pi
c)
inches
d)
kilometer
23.

A ball is moving at constant speed around the circle. Which letter represents the acceleration of the ball?

a)

A

b)

B

c)

C

d)

D

e)

Nonsense. The ball can't be accelerating while moving at a constant speed.

24.
If the radius of the string is .3 meters long and the stopper makes 5 revolutions per second, what is the speed of the stopper? (Hint: C=2πr)
a)
9.4 m/s
b)
6.8 m/s
c)
11.7 m/s
d)
3.5 m/s
25.
Centripetal acceleration is ...
a)
Acceleration toward the center of a curved or circular path
b)
Acceleration toward the outside of a circle
c)
Vertical motion instead of horizontal motion
26.

A 10kg car travels at a constant speed of 20.0 m/s around a horizontal circular track. Which diagram correctly represent the direction of the car's velocity (v) and the direction of the centripetal force (Fc) acting on the car at a particular moment?

a)
b)
c)
d)
27.

A car moves in a horizontal circle with a radius of 10 m. The tangential velocity of the car is 30 m/s. What is the car's acceleration?

a)

3 m/s2 toward the center

b)

3 m/s2 away from the center

c)

90 m/s2 toward the center

d)

90 m/s2 away from the center

e)

270 m/s2 toward the center

28.

The centripetal acceleration on a 1000-kg car in a turn is 1 x 105 m/s2. The radius of the turn in 10 m. What is the car's speed?

a)

10 m/s

b)

100 m/s

c)

1000 m/s

d)

10000 m/s

e)

100,000 m/s

29.
A 0.12-m-radius grinding wheel takes 5.5 s to speed up from 2.0 rad/s to 11.0 rad/s. What is the wheel's average angular acceleration?
a)
9.6 rad/s/s
b)
4.8 rad/s/s
c)
3.1 rad/s/s
d)
1.6 rad/s/s
30.

What is the formula for centripetal force?

a)

Fc = mvr^2

b)

Fc = m/r^2v

c)

Fc = mv^2/r

d)

Fc = mr^2/v

31.
You are moving a ball in a circle using 72 N of centripetal force. What would the force be if you doubled the velocity of the circle?
a)
244 N
b)
288 N
c)
36 N
d)
72 N
32.
Centripetal acceleration is the acceleration…
a)
Away from the center of the circle
b)
When an object is going straight
c)
Toward the center of a circle
d)
That doesn’t exist
33.
What force keeps planets in orbit around the Sun?
a)
Friction
b)
Gravity
c)
Momentum
d)
Velocity
34.

Gravitational potential energy is defined as

a)

the energy an object has due to its height above the ground

b)

the energy an object has due to its motion

c)

the energy a spring has due to its stretch

d)

the chemical energy stored in the molecules of atoms

35.

Kinetic Energy is defined as

a)

Energy stored due to its location

b)

Energy of motion

c)

Energy stored in the bonds of molecules

d)

Heat energy

36.

What is the definition of Mechanical Energy?

a)

a change in speeed or direction

b)

the ability to do work

c)

a force that works against motion as surfaces rub together

d)

the energy an object has because of its motion

37.

True or False

Negative work means that energy is being removed from the object.

a)

True

b)

False

38.

True or False

Gravity does negative work on you when you walk up some stairs.

a)

True

b)

False

39.

How are work and energy related?

a)

The work done by an external force acting on an object causes a change in the mechanical energy of the object.

b)

Work is the same thing as energy. They are equal.

c)

Energy is mass times gravity times height, ad work is one half times mass times velocity squared.

40.

An object is projected vertically upward from ground level. It rises to a maximum height H. If air resistance is negligible, which of the following must be true for the object when it is at a height H/2?

a)

Its speed is half of its initial speed.

b)

Its kinetic energy is half of its initial kinetic energy.

c)

Its potential energy is half of its initial potential energy.

d)

Its total mechanical energy is half of its initial value.

41.

In which of the following situations is kinetic energy decreasing?

a)

A lit tinsel llama is dropped from a building.

b)

A satellite is moving in a circular orbit around the moon.

c)

A baseball is headed upward after being thrown up in the air.

d)

An elevator is moving upward at a constant velocity.

42.

A pilot experiences centripetal acceleration of 2g's (2 x 9.8 m/s2) while maneuvering a loop at a speed of 400 m/s. What is the radius of the loop?

a)

203 m

b)

8163 m

c)

80,003 m

d)

23 m

43.
What happens to the centripetal force exerted on an object if you triple the velocity?
a)
it increases to 3X
b)
it decreases to 6X
c)
it increases to 6X
d)
it increases to 9X
44.

For us humans (and in AP Physics), what is our basic reference frame?

a)

Earth

b)

The Sun

c)

The Universe

d)

The Milky Way Galaxy

45.

A place or object used for comparison to determine if another object is in motion is called a

a)

comparison point

b)

reference frame

c)

point of view

d)

motion detector

46.

An object that is launched and is acted by gravitational force alone is called the

a)

point mass

b)

cannonball

c)

rocket

d)

projectile

47.

What are the characteristics of the vertical and horizontal motions of a projectile? Check all that apply.

a)

The vertical and horizontal motion are independent of each other

b)

The time interval is the same for both.

c)

As the projectile goes up, the acceleration of vertical motion increases while the acceleration of horizontal motion decreases.

d)

The vertical motion has constant velocity while the horizontal motion has constant acceleration.

48.

The vertical motion of a projectile is characterized by the motion of a free-falling body.

a)

True

b)

False

c)

Insufficicent information to answer

49.

The acceleration of a projectile in its vertical motion is

a)

zero

b)

equal to g

c)

decreasing on its way up and increasing on its way down

d)

dependent on the given

50.

The acceleration of a projectile in its horizontal motion is

a)

zero

b)

equal to g

c)

decreasing on its way up and increasing on its way down

d)

dependent on the given

51.

When a projectile reaches the highest point, the acceleration is

a)

Both horizontal and vertical

b)

entirely horizontal

c)

entirely vertical downward

d)

entirely vertical upward

e)

zero

52.

When a projectile reaches the highest point, the velocity is

a)

Both horizontal and vertical

b)

entirely horizontal

c)

entirely vertical downward

d)

entirely vertical upward

e)

zero

53.

What is the correct graph for the vertical velocity of a projectile that is launched at a certain angle and comes back down?

a)

A

b)

B

c)

C

d)

D

54.

A horizontally-launched projectile arcs out and hits the ground below. The vertical displacement and the horizontal displacement are measured. What is the best equation to use to find the time the projectile was in the air?

a)

Δx→=v→x⋅Δt\Delta\overrightarrow{x}=\overrightarrow{v}_x\cdot\Delta t

b)

Δy→=v→yi⋅Δt+12⋅g⋅Δt2\Delta\overrightarrow{y}=\overrightarrow{v}_{yi}\cdot\Delta t+\frac{1}{2}\cdot g\cdot\Delta t^2

c)

v→yf=v→yi+g⋅Δt\overrightarrow{v}_{yf}=\overrightarrow{v}_{yi}+g\cdot\Delta t

d)

Δt=2⋅Δy→g\Delta t=\sqrt{\frac{2\cdot\Delta\overrightarrow{y}}{g}}

55.
Which of the following would NOT be considered a projectile? 
a)
a cannonball thrown straight up
b)
a cannon ball rolling down a slope
c)
a cannonball rolling off a table
d)
a cannonball thrown in the air
56.
A ball is thrown into the air at some angle. At the very top of the ball's path, its velocity is
a)
entirely vertical
b)
both vertical and horizontal
c)
entirely horizontal
d)
not enough info
57.
What is the curved path that an object follows when thrown or launched near the surface of the Earth?
a)
Terminal Velocity
b)
Projectile Motion
c)
Free Fall
d)
Gravity
58.

This could be the graph of a projectile's...

a)

Horizontal Acceleration vs Time

b)

Horizontal Velocity vs Time

c)

Horizontal Position vs Time

d)

Vertical Velocity vs Time

59.

This graph could show a projectile's ...

a)

Vertical Position vs. Time

b)

Vertical Velocity vs. Time

c)

Vertical Acceleration vs Time

d)

Horizontal Velocity vs Time

60.

A projectile has a path shaped like a _____.

a)

ebola

b)

parabola

c)

elliptical

d)

circle

61.

A ball is thrown horizontally from the top of a hill. Is it accelerating?

a)

Yes, but only vertically

b)

Yes, but only horizontally

c)

Yes it is accelerating horizontally and vertically

d)

No, it is not accelerating at all

62.

A projectile can accelerate in the _________ direction.

a)

leftward

b)

horizontal

c)

vertical

d)

rightward

63.

A projectile CANNOT accelerate in the ____ direction

a)

rightward

b)

vertical

c)

horizontal

d)

leftward

64.

What force acts on a projectile in the horizontal direction?

a)

air resistance

b)

gravity

c)

tension

d)

none of the above

65.

Which force is the only one that acts on a projectile?

a)

friction

b)

gravity

c)

normal force

d)

tension force

66.

Which object would NOT follow a path shaped like a parabola?

a)

a ball bounding around the room

b)

a yo-yo being spun in circles

c)

a baby being thrown across a field

d)

a volleyball being hit across a net

67.

You kick a football to the best football player of all time, Eli Manning, off a 13.5 m high hill and it lands a distance of 19.0 m from the edge of the hill. What is the initial horizontal velocity? Use formula and a calculator.

a)

11.4 m/s

b)

5.49 m/s

c)

18.7 m/s

d)

4.32 m/s

68.

You kick a football to the best football player of all time, Eli Manning, off a 13.5 m high hill and it lands a distance of 19.0 m from the edge of the hill. What is the flight time? Use formula and a calculator.

a)

9.8 s

b)

19.0 s

c)

1.66 s

d)

5.8 s

69.

You kick a football to the best football player of all time, Eli Manning, off a 13.5 m high hill and it lands a distance of 19.0 m from the edge of the hill. What is the vertical displacement? No math required.

a)

13.5 m

b)

19.0 m

c)

6.5 m

d)

NY Giants

70.

You kick a football to the best football player of all time, Eli Manning, off a 13.5 m high hill and it lands a distance of 19.0 m from the edge of the hill. What is the horizontal displacement? No math required.

a)

13.5 m

b)

19.0 m

c)

6.5 m

d)

NY Giants (Superbowl champions 2021)

71.
What relationship exists between the radius of a circle and the centripetal acceleration?
a)
direct
b)
inverse
c)
exponential
d)
inverse squared
72.
An object moves in a circle at a constant speed. Which of the following is NOT true f the object?
a)
its centripetal acceleration points toward the center of the circle
b)
its tangential speed is constant
c)
its velocity is constant
d)
a centripetal force acts on the object
73.
A car traveling at 15 m/s on a flat surface turns in a circle with a radius of 25 m.  What is the centripetal acceleration of the car?
a)
2.4 x 10-2 m/s2
b)
0.60 m/s2
c)
9.0 m/s2
d)
zero
74.
Which of the following units is used for tangential velocity?
a)
m/s2
b)
N
c)
J
d)
m/s
75.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
76.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
77.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
78.
A ______ is a push or a pull acting upon an object
a)
Acceleration
b)
force
c)
friction
d)
energy
79.

This is a force that moves a roller coaster car down the tracks.

a)

push

b)

magic

c)

gravity

d)

slide

80.
What is mass?
a)
the force of an object caused by gravity
b)
the amount of space something takes up
c)
the amount of matter in an object
d)
how fast something is moving
81.

The scientific law that states "for every action there is an equal and opposite reaction."

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

82.

What is the physics that keeps an object from falling out when a coaster goes through a loop?

a)

centripetal force

b)

inertia

c)

gravity

d)

velocity

83.

What is gravity?

a)

stored energy

b)

a force acting to pull two objects together

c)

energy and acceleration in motion

d)

the speed of an object

84.

What is acceleration?

a)

resistance an object to change its motion

b)

energy in motion

c)

the push or pull of an object

d)

an object changing speed or direction

85.

At zero gravity, the people _____________ around the plane just like astronauts.

a)

float

b)

travel

c)

cheap

d)

expensive

86.
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.
87.

1 G forces typically occur on

a)

when a train goes around an un-banked corner, or a corner not banked far enough.

b)

when a train crests a hill at speed, or suddenly dips sharply downwards.

c)

banked turns or when the train pulls up a hill after going down a drop.

d)

The regular force of gravity when still.

88.

A 2.0 kg rock is moving in a 0.5 m horizontal circle every 0.25 s. Which of the following does the rock experience?

a)

no net force

b)

a centripetal acceleration

c)

only the acceleration of gravity

d)

motion due only to its inertia

89.

When dealing with an object in circular motion, the distance the object covers in one revolution is called the:

a)

circumference.

b)

radius.

c)

tangent.

d)

distance.

90.

When dealing with circular motion, the time that it takes to make one revolution of the circle is called the:

a)

rotation.

b)

orbit.

c)

period.

d)

segment.

91.

Why does an object experiencing uniform circular motion have an acceleration?

a)

because it ir changing speed

b)

because it is changing direction

c)

because it is moving n a straight line

d)

because it has mass

92.

The _______________________ supplies the centripetal force requirement for the car to move in a horizontal circle. Without it, the car would turn its wheels but would not move in a circle (as is the case on an icy surface).

a)

friction force

b)

centrifugal force

c)

normal force

d)

applied force

93.

In this diagram, what do the red arrows represent?

a)

the acceleration vector

b)

the velocity vector

c)

the centripetal force vector

d)

the force of gravity

94.

Where is the car moving fastest?

a)

A

b)

B

c)

C

d)

D

95.

Where does the car have the most gravitational PE?

a)

A

b)

B

c)

C

d)

D

96.

The car is not moving at point A -

what type of energy is present at point A?

(Select all that apply)

a)

KE

b)

PE

c)

No Mechanical Energy Present

97.

The car has 200 J of PE at point A and is not moving. What is the total ME at point A?

a)

200 J

b)

150 J

c)

100 J

d)

50 J

e)

0 J

98.

A 1000kg car is moving at 5m/s, what is the Kinetic Energy of the car?

a)

6250000 J

b)

25000 J

c)

12500 J

d)

2500 J

99.
You drop a 5 kg ball from a height of 2 m. Just before it reaches the ground, what type of energy does it have?
a)
Potential Energy
b)
Kinetic Energy
c)
Nuclear Energy
d)
Chemical Energy

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