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Q2_PHYSICS_REVIEW QUESTIONS

Total questions: 90

Worksheet time: 4hrs 39mins

Name
Class
Date
1.

What is shown in this displacement vs time graph?

a)

uniform velocity

b)

uniform speed

c)

no speed (at rest)

d)

acceleration

2.

What is happening in this graph?

a)

constant positive velocity

b)

constant negative velocity

c)

negative acceleration

d)

the object moves away from its origin

3.

Find the velocity from the given graph.

a)

2 m/s

b)

12\frac{1}{2} m/s

c)

100 m/s

d)

-2m/s

4.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
5.

Match the description to the graph:

"The speed of the car is decreasing."

a)
b)
c)
d)
6.

Describe the motion from B - C.

a)

Standing still

b)

Constant velocity of 60 m/min

c)

Constant velocity of 0 m/min

d)

Accelerating

7.

Part C of the graph is from 35s to 55s. Which of these statements is true about Part C?

a)

The object is at rest.

b)

The object is accelerating (its velocity is increasing)

c)

The object is decelerating (its velocity is decreasing)

d)

The object is moving at a constant velocity.

8.

Which section represents a steady speed?

a)

A

b)

B

c)

C

d)

D

9.
What kind of acceleration is shown here?
a)
positive
b)
negative
c)
none
d)
varies
10.
What is the velocity?
a)
positive
b)
negative
c)
decreasing
d)
increasing
11.

How does the initial vertical velocity, Viy, compare to the final vertical velocity, Vfy, when a ball is thrown up into the air and caught at the same height ?

a)

Vi y and Vfy are exactly the same, this is because of symmetry

b)

Viy and Vfiy are close but Vfy is larger because you would fall faster than you would rise, since you are slowing down

c)

Viy and Vfy are the same in magnitude, but different in direction.

d)

Viy and Vfy are different in magnitude and direction.

12.
When an object falls in physics world, what happens?
a)
It accelerates at a constant rate until it hits the ground
b)
It accelerates at a non-constant rate until it hits the ground
c)
It accelerates at a constant rate until it reaches terminal velocity
d)
It accelerates at a non-constant rate until it reaches terminal velocity
13.

Which of the following statements applies to the motion of a ball rising and then falling in free fall?

I. The ball has constant acceleration as it moves upward.

II. The ball has constant acceleration at the top of its path.

III. The ball has constant acceleration as it moves downward.

a)

I only

b)

III only

c)

I and III

d)

I, II, and III

14.

Which would hit the ground first if dropped from the same height in a vacuum—a feather or a metal bolt?

a)

the feather

b)

the metal bolt

c)

They would hit the ground at the same time.

d)

They would be suspended (floating) in a vacuum.

15.

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

a)

9.8 m/s2

b)

9.8 m/s

c)

0 m/s2

d)

0 m/s

16.
The more mass an object has, the faster it will fall.
a)
True
b)
False
17.
What is the horizontal acceleration of a projectile?
a)
0 m/s2
b)
9.8 m/s2
18.
What is the vertical acceleration of a projectile?
a)
0 m/s2
b)
9.8 m/s2
19.
If I throw a crayon straight up at 12m/s, how fast is its speed when i catch it at the same height?
a)
6 m/s
b)
12 m/s
c)
18 m/s
d)
24 m/s
20.
When a ball is projected horizontally, what is its initial vertical velocity?
a)
10
b)
0
c)
not enough information given
21.
What force acts in the y direction that causes an object to travel in a parabolic arc?
a)
Friction
b)
Gravity
c)
Tension
d)
No force acting.
22.
Two objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object has the greatest maximum height height?
a)
A
b)
B
c)
Both objects reach the maximum height
d)
unable to determine with the given information
23.

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)

d→x=v→x⋅t\overrightarrow{d}_x=\overrightarrow{v}_x\cdot t

b)

d→y=+12⋅g⋅t2+v→yi⋅t\overrightarrow{d}_y=+\frac{1}{2}\cdot g\cdot t^2+\overrightarrow{v}_{yi}\cdot t

c)

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

d)

t=2⋅d→ygt=\sqrt{\frac{2\cdot\overrightarrow{d}_y}{g}}

24.

In the diagram, which letter represents the vertical displacement d→y\overrightarrow{d}_y  ?

a)

A

b)

B

c)

C

d)

D

25.

In the diagram, which letter represents the horizontal displacement d→x\overrightarrow{d}_x ?

a)

A

b)

B

c)

C

d)

D

26.

A ball rolls off a table top and strikes the floor as shown. Given the measurements made, the time the projectile spent in the air is ---.

a)

17 s

b)

0.34 s

c)

0.58 s

d)

0.49 s

27.

A ball rolls off a table and strikes the floor, as shown. If the time the ball spent in the air was 0.58 s, how fast did the ball leave the table?

a)

3.6 m/s

b)

1.2 m/s

c)

2.9 m/s

d)

0.99 m/s

28.
The shape of the path a projectile follows...
a)
circular
b)
linear
c)
wavy
d)
parabolic
29.

In a projectile motion we always have...

a)

1 component (x)

b)

3 components (x,y, and z)

c)

2 components (x and y)

d)

0 components

30.

If a ball thrown straight up into the air takes 4 seconds to reach the top (peak), how long will it take to travel from the peak back to the original position?

a)

0s

b)

1s

c)

3s

d)

4s

31.

Which graph/s represents that the object’s velocity is increasing?

a)

graphs D, I          

b)

graphs E, J

c)

graphs D, G, I

d)

graphs D, G, I, J

32.

Which graph/s represents that the object’s velocity is constant?

a)

graphs A, F               

b)

graphs A, B, C

c)

graphs B, C, F

d)

graphs A, B, C, F

33.

Which graph/s represents that the object’s velocity is decreasing?

a)

graphs C, H

b)

graphs E, J

c)

graphs E, H

d)

graphs E, H, J

34.

Which graph/s represents that the object is not accelerating?

a)

graphs A, C

b)

graphs A, F 

c)

graphs A, B, C

d)

graphs A, B, C, F

35.

Which graph/s represents that the object is decelerating?

a)

graphs E, J

b)

graphs E, H

c)

graphs E, H, J

d)

graphs C, E, H, J

36.

What variable or quantity should you plot along the X-axis in a graph?

a)

time

b)

velocity

c)

independent

d)

dependent

37.

What quantity does the slope of the displacement-time graph and velocity-time graph represent, respectively?

a)

time, acceleration

b)

velocity, speed

c)

velocity, acceleration     

d)

speed, acceleration

38.

What happens to the velocity of a ball as it is drop off from a cliff?

a)

It is constant.

b)

It increases at a uniform rate.

c)

It decreases at a uniform rate.

d)

It increases at a non-uniform rate.

39.

A skydiver jumps out of a plane and is falling towards the Earth before she opens her parachute. Which of the following statements is true?

a)

She is in free fall because nothing is holding her up.

b)

She is in free fall because gravity is pulling her down.

c)

She is not in free fall because skydiving is not affected by gravity.

d)

She is not in free fall because gravity is not the only force she is experiencing.

40.

What happens to the stone’s velocity and acceleration when it reaches its highest point after being thrown upwards?

a)

velocity is zero, acceleration is -9.8 m/s2

b)

both its velocity and acceleration is zero.

c)

velocity is not zero, acceleration is +9.8 m/s2

d)

neither its velocity nor its acceleration is zero

41.

What happens to the object's velocity as it goes downwards and upwards, respectively?

a)

increases, decreases    

b)

decreases, increases

c)

increases, increases

d)

decreases, decreases

42.

What happens to the velocity of a projectile moving downwards in a horizontal and vertical component?

a)

constant, decreasing  

b)

  zero, constant

c)

constant, increasing 

d)

  zero, zero

43.

What happens to the acceleration of a projectile moving upwards in a horizontal and vertical component?

a)

constant, decreasing

b)

constant, increasing

c)

zero, constant -9.8 m/s2

d)

constant -9.8 m/s2, zero

44.

What happens to the range of a projectile when the height of release is increased?

a)

accelerates

b)

increases 

c)

decreases

d)

no change

45.

What happens to the range of a projectile when the angle of release is from 45 to 90 degrees?

a)

accelerates

b)

increases

c)

decreases

d)

no change

46.

What is the displacement of the object at point D?

a)

100 m

b)

100 km

c)

100,000 m

d)

100,000 cm

47.

How far did the object cover after 8 hours?

a)

120 km

b)

140 km

c)

160 km

d)

180 km

48.

What is the object’s average speed for the entire trip?

a)

4.54 m/s

b)

4.55 m/s

c)

16.36 km/hr

d)

16.37 km/hr

49.

What is the total distance and displacement covered by the car at segment BE?

a)

0 km & 40 km

b)

40 km & 0 km

c)

40,000 m & 40,000 km

d)

40,000 m & 40,000 m

50.

How far is the car from its origin after it stops at point F?

a)

0 km     

b)

60 km

c)

60,000 m

d)

60,000 km

51.

How much distance covered by the bus at segments AB and EF, respectively

a)

40 m & 45 km

b)

45 m & 40 m

c)

40 km & 45 m

d)

40 m & 45 m

52.

How fast did the bus travel at segments BC and DE?

a)

0 m/s & 25 m/s

b)

0 m/s & 15 m/s

c)

15 m/s & 25 m/s

d)

25 m/s & 15 m/s

53.

How far did the object travel after 6 seconds?

a)

30 m

b)

60 m

c)

120 m

d)

240 m

54.

How long did it take for the object to reach point D?

a)

8 s

b)

4 s

c)

10 s

d)

5 s

55.

What to the car at segment BE?

a)

moving at an icreasing speed

b)

moving at a decreasing speed

c)

doesn't accelerate

d)

accelerating

56.

A cannonball is projected at 360 angle on top of a building that is 33 m high with an initial velocity of 12 m/s. How long is the cannonball in the air?

a)

3.41 s

b)

3.42 s

c)

1.97 s

d)

1.98 s

57.

A cannonball is projected at 360 angle on top of a building that is 33 m high with an initial velocity of 12 m/s. How long will it take to reach its peak before it falls to the ground?

a)

0.72 s

b)

0.73 s

c)

1.44 s

d)

1.46 s

58.

A cannonball is projected at 360 angle on top of a building that is 33 m high with an initial velocity of 12 m/s. How far will the cannonball be from the building to its peak?

a)

2.54 m

b)

1.54 m

c)

0.54 m

d)

3.54 m

59.

A cannonball is projected at 360 angle on top of a building that is 33 m high with an initial velocity of 12 m/s. How high will cannonball be from the top of the building to its peak?

(a)  

60.

A cannonball is projected at 360 angle on top of a building that is 33 m high with an initial velocity of 12 m/s. How fast will it strike the ground?

(a)  

61.

A cannonball is projected at 360 angle on top of a building that is 33 m high with an initial velocity of 12 m/s. How long will it take to reach the ground from its peak?

(a)  

62.

A stone is dropped from a rooftop of a building. How fast will the stone go at it strikes the ground?

(a)  

63.

A stone is dropped from a rooftop of a building. How far will the stone reach after 3 seconds?

(a)  

64.

A marble is thrown vertically upward at a rate of 25 m/s.

 

How long will it take for the marble to go back to its point of release?

(a)  

65.

A marble is thrown vertically upward at a rate of 25 m/s.

 

How high will the marble rise?

(a)  

66.

A baseball is thrown horizontally at a rate of 20 m/s from a building of 15 m. How long will the baseball go to reach the ground?

(a)  

67.

A soccer ball was hit and moved upward at 50 degrees with an initial velocity of 40 m/s. How high is the soccer ball from the ground to its peak?

(a)  

68.

A skateboarder rolls off a bridge into the river as shown. If the skateboarder was originally moving at 7.0 m/s, how much time did the skateboarder spend in the air?

a)

1.3 s

b)

0.79 s

c)

38.5 s

d)

0.70 s

e)

Not enough information given.

69.

A skateboarder rolls off a bridge into the river as shown. If the skateboarder spent 0.79 s in the air, how far above the river is the edge of the bridge?

a)

5.5 m

b)

0.70 m

c)

1.3 m

d)

3.1 m

e)

Not enough information given.

70.
If you drop a banana, how fast is it going after 2 seconds?
a)
4.9m/s
b)
9.8m/s
c)
19.6m/s
d)
29.4m/s
71.

At what point is vy= 0 m/s?

a)

A

b)

B

c)

C

d)

D

e)

None of these points

72.

At what point is vx= 0 m/s?

a)

A

b)

B

c)

C

d)

D

e)

None of these points

73.

Which vector pair (arrow pair) correctly represents the acceleration and velocity at point P?

a)
b)
c)
d)
74.

Who do you agree with?

a)

Anita: “A projectile’s vx changes because of gravity, and its vy remains constant.”

b)

Barry: “Both vx and vy are constant.”

c)

Chris: “A projectile has no acceleration in the vertical dimension but it does accelerate horizontally.”

d)

Dave: “A projectile has vertical acceleration and a constant horizontal velocity”

75.

Suppose Lemming A runs off the edge of the cliff at 2 m/s and Lemming B runs off the edge at 1 m/s. Which will hit the ground first?

a)

A

b)

B

c)

Both at the same time

76.

A ball is thrown into the air at some angle, with initial velocities vx (horizontal) and vy (vertical). At the very top of the ball’s path:

What is its velocity in the horizontal direction?

a)

vx

b)

Greater than vx

c)

Zero

77.

A ball is thrown into the air at some angle, with initial velocities vx (horizontal) and vy (vertical). At the very top of the ball’s path:

What is its velocity in the vertical direction?

a)

vy

b)

Greater than vy

c)

Zero

78.

In the absence of air resistance, the angle at which a thrown ball will go the farthest is?

a)

90°

b)

30°

c)

60°

d)

45°

79.
A ball is thrown horizontally at a height of 2.2 meters at a velocity of 65 m/s. Assume no air resistance. How long until the ball reaches the ground?
a)
0.45 s
b)
0.67 s
c)
0.22 s
d)
0.47 s
80.
A ball is thrown horizontally at a height of 2.2 meters at a velocity of 65 m/s. Assume no air resistance. How far did the ball travel horizontally when it hit the ground?
a)
14.3 m
b)
30.55 m
c)
65 m
d)
43.55 m
81.
A bullet is fired horizontally at a height of 1.3 meters at a velocity of 950 m/s. Assume no air resistance. How long until the bullet reaches the ground?
a)
0.52 s
b)
0.27 s
c)
0.13 s
d)
0.36 s
82.
A bullet is fired horizontally at a height of 1.3 meters at a velocity of 950 m/s. Assume no air resistance. How far did the bullet travel horizontally when it hit the ground?
a)
252.04 m
b)
489.32 m
c)
126.02 m
d)
346.00 m
83.

At which of the following places does a projectile have the least velocity?

a)

At the peak of its trajectory

b)

Half way to the peak

c)

At the instant it is launched

d)

All points have the same velocity

84.

The acceleration during the whole trip, on the horizontal component, is always...

a)

0 m/s2

b)

3.6 m/s2

c)

5 m/s2

d)

-9.8 m/s2

85.

If the time to get to the highest point is 2.6 s, what would be the total time in the air?

a)

2.6 s

b)

3.8 s

c)

5.2 s

d)

4.9 s

86.
What is a projectile?
a)
any object that is thrown
b)
an object that has multiple forces acting upon it
c)
an object that has one force of gravity acting upon it
d)
none of the above
87.
The projectile will drop below the straight line of projection because...
a)
the force of gravity acting upon it
b)
it looses speed
c)
it no longer accelerates
d)
all of the above
88.
Horizontal and vertical motions are ______ of each other
a)
dependent
b)
independent
89.

What is the direction of the acceleration for any projectile?

a)

The direction the projectile is traveling.

b)

Down

c)

Up

d)

Sideways

90.

The initial horizontal velocity of a projectile is ____ its final horizontal velocity.

a)

less than

b)

equal to

c)

greater than