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Chapter 1-4 Review Physics 110

Total questions: 70

Worksheet time: 2hrs 47mins

Name
Class
Date
1.

Astrology is an example of a

a)

Science

b)

Pseudoscience

2.

When we throw an object up in the air, its velocity at the peak

a)

cannot be calculated.

b)

is -9.8 m/s

c)

is 0 m/s

d)

is -9.8 m/s/s

3.

On the interstate the speed limit is 70 MPH, how many m/s is that?

a)

50.3 m/s

b)

23 m/s

c)

1877 m/s

d)

31.3 m/s

4.

(a)   is when science is applied to make our lives easier

5.

Examples of physical sciences include:

a)

Chemistry

b)

Biology

c)

Physics

d)

Astronomy

6.

(a)   is related to all sciences including physical and life sciences

7.

Which of these graphs show velocity vs time?

a)

the blue one

b)

the green one

c)

the red one

d)

none

8.

What is the formula to calculate the average speed of an object moving in a straight line?

a)

v=dtv = \frac{d}{t}

b)

v=dtv = dt

c)

v=tdv = \frac{t}{d}

d)

v=d+tv = d + t

9.

a hypothesis that has been tested repeatedly and has not been contradicted

a)

Observation

b)

Theory

c)

Law

d)

Fact

10.

The difference between speed and velocity is that speed lacks a (a)  

11.

How many centimeters are there in 2 meters?

a)

20 cm

b)

200 cm

c)

2 cm

d)

2000 cm

12.

If you have a length of 2500 millimeters, how many meters is that?

a)

2.5 m

b)

25 m

c)

250 m

d)

0.25 m

13.

Convert 12 inches to centimeters. (Note: 1 inch = 2.54 cm)

a)

30.48 cm

b)

24.00 cm

c)

5.08 cm

d)

120.00 cm

14.

What is the net force acting on an object in equilibrium?

a)

Equal to its weight

b)

Constantly changing

c)

Zero

d)

Equal to its mass

15.

What is the term for the rate of change of velocity?

a)

Speed

b)

Acceleration

c)

Momentum

d)

Force

16.

Which of the following is a scalar quantity?

a)

Velocity

b)

Acceleration

c)

Speed

d)

Force

17.

an educated guess that is only presumed to be factual until supported
by experiment

a)

Observation

b)

Theory

c)

Fact

d)

Hypothesis

18.

What is the unit of force in the International System of Units (SI)?

a)

Newton

b)

Joule

c)

Pascal

d)

Watt

19.

Which of the following is not an appropriate unit for measuring acceleration?

a)

mi/hr^2

b)

km/min/s

c)

m/s

d)

ft/s^2

20.

Which of these runners are running with increasing acceleration?

a)

Runner 1

b)

Runner 2

c)

Runner 3

d)

None

21.

Which law of motion states that for every action there is an equal and opposite reaction?

a)

Newton's First Law of Motion

b)

Newton's Second Law of Motion

c)

Newton's Third Law of Motion

d)

Newton's Law of Universal Gravitation

22.

The ______ component(s) of a projectile motion stay the same throughout the motion

a)

Vertical

b)

Horizontal

c)

Neither

d)

Both

23.

What is the formula for calculating the kinetic energy of an object?

a)

KE=12mv2KE = \frac{1}{2}mv^2

b)

KE=mvKE = mv

c)

KE=mghKE = mgh

d)

KE=mv22KE = \frac{mv^2}{2}

24.
Which of the following can be used to test a hypothesis?
a)
experiment
b)
theory
c)
law
d)
variable
25.

A skydivers acceleration is zero when

a)

Air drag is equal to acceleration due to gravity

b)

They land

c)

The parachute opens

d)

They reach terminal velocity

26.

An inflated balloon released from rest moves horizontally.

The law that best explains this event is

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Law of Gravity

27.

Total distance an object travels with direction.

a)

Displacement

b)

Distance

c)

Path

d)

Velocity

28.

Does upward movement of an object have a negative or positive velocity?

a)

Negative

b)

Positive

29.

When an object starts from rest, what is its original velocity?

a)

Depends on the problem

b)

0

c)

Always positive

d)

Always negative

30.

If an object comes to a stop in a problem, what is its final velocity?

a)

Depends on the problem

b)

0

c)

Always positive

d)

Always negative

31.

Change in velocity each second that goes by

a)

Velocity

b)

Displacement

c)

Acceleration

d)

Apex

32.

A frog jumps vertically straight up. Which of the following is true?

a)

gravity gives the frog a vertical speed of -10 m/s

b)

gravity gives the frog a vertical acceleration of -10 m/s2

c)

the frog has a horizontal speed of -10 m/s

d)

the frog has a horizontal acceleration of -10 m/s2

33.
The SI unit for length or distance is
a)
foot (ft)
b)
inch (in)
c)
mile (mi)
d)
meter (m)
34.
What is magnitude?
a)
The direction that describes a quantity.
b)
A numerical value
c)
A unit of force
35.
A quantity that has both magnitude and direction is called a scalar quantity.
a)
True
b)
False
36.
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)
None of them
37.

a synthesis of a large body of information that encompasses well-tested and verified
hypotheses about certain aspects of the natural world

a)

Theory

b)

Law

c)

Principle

d)

Fact

38.
A 150N weight hanging DOWN from a rope. Vector or scalar?
a)
Scalar
b)
Vector
39.
30 m/sec, East. Scalar or Vector
a)
Scalar
b)
Vector
c)
Neither
40.
Acceleration is
a)
increasing speed
b)
decreasing speed
c)
changing direction
d)
all of the above
41.
A ceiling fan rotating in a circle at a constant speed of 1 m/s is accelerating. True or False?
a)
True
b)
False
42.
Does the speedometer of a car read average speed or instantaneous speed?
a)
average speed
b)
instantaneous speed
43.
What is the SI unit for acceleration?
a)
m
b)
s
c)
m/s
d)
m/s/s or m/s2
44.
The rate at which velocity changes is called 
a)
motion
b)
average speed
c)
instantaneous speed
d)
acceleration
45.
On a distance-versus-time graph, a straight line ALWAYS indicates that an object’s speed is _____.
a)
constant
b)
zero
c)
increasing
d)
decreasing
46.
Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
47.

If an object is simply dropped from an elevated position, then the __________ of the object is 0 m/s.

a)

initial velocity

b)

final velocity

c)

acceleration

d)

displacement

48.

All free falling objects on Earth accelerate downward at a rate of __________.

a)

9.8 m/s/s

b)

-9.8 m/s

c)

-9.8 m/s/s

d)

9.8 m/s

49.

Objects thrown into the air have a downward acceleration

a)

only in its way upwards.

b)

only in its way downwards.

c)

as soon as they are released.

50.

? = 1/2 x acceleration x time^2

a)

Velocity

b)

Speed

c)

Distance

d)

Displacement

51.

Which are examples of types of forces

a)

Friction

b)

Tension

c)

Normal Force

d)

Weight

e)

Applied Force

52.

In the picture, cannonball A was launched at 10 m/s at 60°, and B was launched at 18 m/s at 25°. The cannonball that hit the ground first was

a)

A, because it had less total velocity.

b)

B, because it had more total velocity.

c)

A, because it had less initial vertical velocity.

d)

B, because it had less initial vertical velocity.

53.

A projectile is launched, and its vertical and horizontal velocities are shown in the graph. What is the magnitude of the projectile's initial velocity?

a)

25 m/s

b)

10 m/s

c)

325 m/s

d)

18 m/s

54.
Which angle will produce the greatest range (in the absence of air resistance)?
a)
0 degrees
b)
45 degrees
c)
90 degrees
d)
none of these
55.
Which angle will produce the greatest height (in the absence of air resistance)?
a)
0 degrees
b)
45 degrees
c)
90 degrees
d)
none of these
56.

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 same height

d)

unable to determine with the given information

57.

What is a factor that affects projectile motion?

(a)  

58.

Free fall is when an object falls under the influence of _____

a)

Air resistance/drag

b)

Both air resistance and gravity

c)

Gravity only

59.

Mass is a measure of

a)

The inertia of the object

b)

The amount of matter in an object

c)

The force on the object due to gravity

60.
This law is often called "the law of inertia."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
61.

Which of the following is a unit of force?

a)

Joule

b)

Newton

c)

Watt

d)

Meter per second

62.

What is the primary effect of unbalanced forces acting on an object?

a)

The object moves in a circular path

b)

The object's velocity remains constant

c)

The object accelerates

d)

The object levitates

63.

What is the effect of friction on the motion of objects?

a)

It speeds them up

b)

It slows them down

c)

It changes their direction

d)

It has no effect

64.

Which of the following is true about balanced forces?

a)

They cause an object to start moving

b)

They cause an object to stop moving

c)

They do not change the motion of an object

d)

They always act in the same direction

65.

(a)   is a force that is calculated with the formula m*g

66.

What is inertia?

a)

The tendency of an object to resist changes in its motion

b)

The speed of an object in motion

c)

The force that pulls objects to the ground

d)

The force that moves objects in a circular path

67.
A person not wearing a seatbelt flies through a car window when someone slams on the breaks because the person’s body wants to remain in continuous motion even when the car stops.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
68.

What happens to the speed of an object if a constant force is applied in the direction of motion?

a)

It decreases

b)

It stays the same

c)

It increases

d)

It changes direction

69.

Which is a unit of weight?

a)

Slugs

b)

Grams

c)

Pounds

d)

Newtons

70.
An object at rest will remain at rest unless acted on by an unbalanced force. An object in motion continues in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them

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