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Final Quiz for Physics 9B

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.

Force equals _______ times acceleration.

a)

gravity

b)

motion

c)

resistance

d)

mass

2.

Which illustrates Newton’s Third Law of Motion?

a)

Projectile Motion

b)

Centripetal Force

c)

Circular Motion

d)

Rocket Propulsion

3.

Which of the following does not affect the amount of air resistance that acts on an object?

a)

Speed

b)

Shape

c)

Size

d)

Mass

4.

When an object moves in a circular path, it accelerates toward the center of a circle as a result of _______.

a)

centripetal force

b)

air resistance

c)

momentum

d)

terminal velocity

5.

According to Newton’s Second Law of Motion, _______ equals force divided by acceleration.

a)

velocity

b)

mass

c)

time

d)

distance

6.

A net force acting on a moving object causes the object to _______.

a)

stop

b)

increase its inertia

c)

accelerate

d)

fall

7.

The _______ velocity of a projectile is considered to be constant.

a)

accelerated

b)

initial

c)

horizontal

d)

vertical

8.

The upward force exerted on a falling object is _______.

a)

weightlessness

b)

momentum

c)

terminal velocity

d)

air resistance

9.

In the equation p = mv, p represents _______.

a)

Pascal

b)

momentum

c)

inertia

d)

pressure

10.

An object that is in freefall seems to be _______.

a)

slowed by air resistance

b)

accelerated by forces of inertia

c)

weightless

d)

stationary

11.

Imagine an object is attached to a string that is swung by a person along a circular path in space. If the string should break, the object would _______.

a)

move through space at a constant rate of speed

b)

fall to the person's feet

c)

accelerate indefinitely

d)

move through space on an indefinite course

12.

Acceleration due to gravity is _______.

a)

98 m/s

b)

9.8 m/s

c)

9.8 m/s2

d)

98 m/s2

13.

A real car moving at 10 km/h has more momentum than a toy car moving at the same rate because _______.

a)

of friction

b)

the car moves faster

c)

the toy car's mass is greater

d)

the real car's mass is greater

14.

When a force is exerted on an object, an equal and opposite force is exerted by the object. These forces are referred to as _______ forces.

a)

unbalanced

b)

action-reaction

c)

frictional

d)

centripetal

15.

If a 300 N action force is exerted on an object to the right, a reaction force would be equal to _______.

a)

600 N is exerted to the left

b)

600 N is exerted to the right

c)

300 N to the right

d)

300 N to the left

16.

The path of a projectile is _______.

a)

curled

b)

straight

c)

always horizontal

d)

parabolic

17.

The motion of an object parallel to the Earth’s surface is referred to as _______.

a)

vertical

b)

inert

c)

horizontal

d)

weightless

18.

One problem weightlessness can cause for astronauts is _______.

a)

it disrupts their ability to swallow properly

b)

it changes their body mass

c)

freefall

d)

it weakens body tissues

19.

A feather will fall through the air slower than a brick because of _______.

a)

differences in weight

b)

differences in mass

c)

air resistance

d)

gravity

20.

In the absence of air, a penny and a feather that are dropped from the same height will _______.

a)

lack momentum

b)

fall at different rates

c)

float

d)

fall at the same rate

21.

When two objects collide, the momentum of the pair after the collision is explained by _______.

a)

Newton's Third Law of Motion

b)

Newton's Second Law of Motion

c)

Newton's First Law of Motion

d)

The Law of Conservation of Momentum

22.

Momentum is expressed in units of _______.

a)

kg x m/s

b)

kg x m/s2

c)

kg x m

d)

kg x N

23.

The relationship among mass, acceleration, and force is explained by _______.

a)

The Law of Conservation of Momentum

b)

Newton's Second Law of Motion

c)

Newton's Third Law of Motion

d)

Newton's First Law of Motion

24.

According to Newton’s Second Law of Motion, which of the flowing is true.

a)

F = M x V

b)

F = P x V

c)

F = M x A

d)

F = V x M

25.

_______ forces acting on an object do not cause any change in its motion

a)

Balanced

b)

Terminal

c)

Unbalanced

d)

Net

26.

The speedometer on a car indicates a(n) _______ speed.

a)

average

b)

accelerating

c)

instantaneous

d)

constant

27.

Which of the following statements is true about space travel?

a)

Space travel presents few challenges to astronauts

b)

It poses no health threat to astronauts

c)

It may pose some health risks to astronauts

d)

Conditions in space are potentially lethal

28.

The SI unit for force and weight is _______.

a)

Newton

b)

Kilogram

c)

Pascal

d)

Kelvin

29.

Your _______ on the moon would be less than it is on Earth.

a)

volume

b)

weight

c)

force

d)

mass

30.

The best way to describe the rate of motion of an object that changes speed several times is to calculate the object’s _______.

a)

rate of acceleration

b)

constant speed

c)

average speed

d)

variable speed

31.

Which of the following is a force?

a)

velocity

b)

friction

c)

inertia

d)

acceleration

32.

_______ is a force exerted by every object in the universe on every other object.

a)

Impulse

b)

Magnetism

c)

Inertia

d)

Gravity

33.

The unit for _______ is m/s2.

a)

acceleration

b)

velocity

c)

weight

d)

inertia

34.

A body accelerates if it _______.

a)

maintains a constant speed

b)

remains motionless

c)

changes direction

d)

does any of these

35.

Which of the following is not used in calculating acceleration?

a)

time interval

b)

final velocity

c)

initial velocity

d)

average speed

36.

The gravitational force between two objects depends, in part, on their _______.

a)

velocities

b)

shapes

c)

masses

d)

volume

37.

_______ is a force that opposes motion.

a)

Gravity

b)

A net force

c)

Friction

d)

Inertia

38.

The buoyant force on a floating object equals the _______ of the fluid the object displaces.

a)

weight

b)

density

c)

mass

d)

volume

39.

Forces that are equal in size and opposite in direction are _______.

a)

gravitational forces

b)

balanced forces

c)

oppositional forces

d)

net forces

40.

If you want to calculate the acceleration of a car, you should _______ the change in velocity of the car by the time interval.

a)

decrease

b)

divide

c)

multiply

d)

subtract

41.

Gases are considered to be _______.

a)

nonpolar solutions

b)

non-crystalline solids

c)

amorphous solids

d)

fluids

42.

Hydraulic equipment functions due to _______.

a)

Pascal's Principle

b)

Bernoulli's Law

c)

the Coanda Effect

d)

the Universal Law of Gravity

43.

Water is an example of a material with a _______ specific heat due to its ability to absorb a lot of energy with little change in its temperature.

a)

moderate

b)

high

c)

low

d)

critical

44.

The _______ of a material is the total energy, both the kinetic and potential energy, of its particles.

a)

temperature

b)

specific heat

c)

thermal energy

d)

absolute energy

45.

_______ describes the condition created when a pressure is applied to a confined fluid and that pressure is transmitted equally and unchanged throughout the fluid.

a)

Archimede's Principle

b)

Bernoulli's Principle

c)

Newton's Law of Gravity

d)

Pascal's Principle