Quiz about Force and Motion

Question 1

What is motion?

Accepted Answer

A) A change in position relative to a fixed object

Answer

B) The speed of an object

Answer

C) The direction of an object

Answer

D) The force applied to an object

Question 2

Fill in the blank: Speed is a rate that measures the change in ______ over time.

Accepted Answer

distance

Answer

temperature

Answer

mass

Answer

color

Question 3

If a car travels 100 miles in 2 hours, what is its speed?

Accepted Answer

50 miles/hour

Answer

25 miles/hour

Answer

100 miles/hour

Answer

200 miles/hour

Question 4

What is the difference between speed and velocity?

Accepted Answer

Velocity has direction, speed does not

Answer

Speed has direction, velocity does not

Answer

Both have direction

Answer

Neither have direction

Question 5

Acceleration is the rate of change in _______.

Accepted Answer

velocity

Answer

distance

Answer

mass

Answer

time

Question 6

Which of the following is NOT a way an object can accelerate?

Accepted Answer

Staying at the same speed and direction

Answer

Speeding up

Answer

Slowing down

Answer

Changing direction

Question 7

What is a force? Fill in the blank: A force is a ______ or ______ that can start, stop or change the motion of an object.

Accepted Answer

push, pull

Answer

jump, run

Answer

heat, cold

Answer

sound, light

Question 8

What is the unit of measurement for the strength (magnitude) of a force?

Accepted Answer

Newton (N)

Answer

Joule (J)

Answer

Watt (W)

Answer

Pascal (Pa)

Question 9

What is net force? Fill in the blank: Net force is the force that results from ______ all the forces exerted on an object.

Accepted Answer

combining

Answer

ignoring

Answer

separating

Question 10

When two forces act in the same direction on an object, how do you determine the net force?

Accepted Answer

Add the forces together

Answer

Subtract the smaller force from the larger one

Answer

Multiply the forces

Answer

Divide the forces

Question 11

If two forces of 60N and 30N act in the same direction on an object, what is the net force?

Accepted Answer

90N

Answer

30N

Answer

60N

Answer

0N

Question 12

If two forces of 30N and 10N act in opposite directions on an object, what is the net force and in which direction does the object move?

Accepted Answer

20N to the right

Answer

40N to the left

Answer

10N to the right

Answer

20N to the left

Question 13

What are balanced forces? Fill in the blank: Balanced forces have a net force of ______ and do not cause a change in motion.

Accepted Answer

zero

Answer

ten

Answer

infinity

Answer

one

Question 14

What do unbalanced forces cause objects to do?

Accepted Answer

Accelerate (speed up, slow down, or change direction)

Answer

Remain at rest

Answer

Move at a constant speed

Answer

Disappear

Question 15

Fill in the blank: Unbalanced forces result in _________

Accepted Answer

acceleration

Answer

rest

Answer

no change

Answer

balance

Question 16

Gravity is a force of attraction that exists between _________.

Accepted Answer

all matter

Answer

planets only

Answer

liquids only

Answer

gases only

Question 17

Which two factors affect the strength of gravity between objects?

Accepted Answer

B) Mass and distance

Answer

A) Mass and color

Answer

C) Distance and shape

Answer

D) Size and speed

Question 18

If the mass of objects increases, what happens to the force of gravity between them?

Accepted Answer

It increases

Answer

It decreases

Answer

It stays the same

Answer

It disappears

Question 19

What is friction?

Accepted Answer

A force that resists motion between surfaces

Answer

A force that attracts objects

Answer

A force that increases speed

Answer

A force that acts at a distance

Question 20

What happens to the amount of friction when the surface is rougher?

Accepted Answer

The friction increases

Answer

The friction decreases

Answer

The friction stays the same

Answer

There is no friction

Question 21

Friction not only builds resistance; friction also builds _____

Accepted Answer

HEAT

Answer

LIGHT

Answer

SOUND

Answer

WATER

Question 22

Friction can be reduced by making surfaces smoother, using lubricants (oil, wax or grease) and rolling things instead of sliding them.

Accepted Answer

True

Answer

False

Question 23

Which of the following is an example of a noncontact force?

Accepted Answer

Gravity

Answer

Friction

Answer

Muscular force

Answer

Pushing a box

Question 24

What is a force?

Accepted Answer

A push or pull that can affect an object's motion

Answer

Only a push that moves objects

Answer

Only a pull that moves objects

Answer

The speed of an object

Question 25

In what unit are forces measured?

Accepted Answer

Newtons

Answer

Meters

Answer

Pounds

Answer

Kilometers

Question 26

What is net force?

Accepted Answer

The resulting force when combining all forces on an object

Answer

The strongest force acting on an object

Answer

The weakest force acting on an object

Answer

The distance between two forces

Question 27

When forces in opposite directions are equal in strength, they are called:

Accepted Answer

Balanced forces

Answer

Net forces

Answer

Gravity force

Answer

Unbalanced forces

Question 28

What happens when forces are balanced?

Accepted Answer

Objects move at constant speed or objects remain at rest

Answer

Objects speed up

Answer

Objects change direction

Answer

Objects slow down

Question 29

Which statement about unbalanced forces is correct?

Accepted Answer

They cause acceleration

Answer

They always make objects stop

Answer

They never change an object's speed

Answer

They keep objects moving at constant speed

Question 30

Gravity is:

Accepted Answer

C. An attractive force between all matter

Answer

A. A force that only affects Earth

Answer

B. A pushing force between objects

Answer

D. A force that only works in space

Question 31

The strength of gravity depends on:

Accepted Answer

The mass of objects and distance between them

Answer

Only the mass of one object

Answer

Only the distance between objects

Answer

The speed of the objects

Question 32

What causes friction?

Accepted Answer

Surface bumps and scratches rubbing together

Answer

Smooth surfaces only

Answer

The use of grease, wax or oil

Answer

Objects floating in space

Question 33

Which statement about friction is true?

Accepted Answer

It resists motion

Answer

It only occurs on rough surfaces

Answer

It makes movement easier

Answer

It only produces heat

Question 34

How can friction be reduced?

Accepted Answer

Using lubricants like oil or wax

Answer

Making surfaces rougher

Answer

Increasing the weight of objects

Answer

Increasing temperature

Question 35

When balanced forces act on a moving object:

Accepted Answer

The object will maintain constant speed & direction (constant velocity)

Answer

The object will stop moving

Answer

The object will speed up

Answer

The object will change direction

Question 36

A side effect of friction is:

Accepted Answer

Production of heat

Answer

Increased speed

Answer

Decreased gravity

Answer

Increased mass

Question 37

What happens when unbalanced forces act on an object at rest?

Accepted Answer

The object starts moving

Answer

Nothing changes

Answer

The object remains at rest

Answer

The forces become balanced

Question 38

Which surface would create the most friction?

Accepted Answer

A rough concrete sidewalk

Answer

A waxed floor

Answer

An oiled machine part

Answer

A smooth glass surface

Question 39

What is the primary difference between speed and velocity?

Accepted Answer

Velocity includes direction while speed does not

Answer

Speed includes direction while velocity does not

Answer

Speed is always faster than velocity

Answer

Velocity is always faster than speed

Question 40

When an object slows down, what type of acceleration is it experiencing?

Accepted Answer

Negative acceleration

Answer

Positive acceleration

Answer

Zero acceleration

Answer

Constant acceleration

Question 41

If an object has an acceleration of 3 m/s/s, what does this mean?

Accepted Answer

The object's speed increases by 3 meters every second

Answer

The object travels 3 meters every second

Answer

The object changes direction every 3 seconds

Answer

The object's speed decreases by 3 meters every second

Question 42

Which of the following best describes motion?

Accepted Answer

A change in position relative to a fixed object

Answer

The force applied to an object

Answer

The mass of a moving object

Answer

The time taken to reach a destination

Question 43

What happens during acceleration?

Accepted Answer

Objects can speed up, slow down, or change direction

Answer

Objects only speed up

Answer

Objects only slow down

Answer

Objects only change direction

Question 44

True or False: Newton's First Law of Motion states: An object at rest will remain at rest, unless a net force acts on it. An object in motion will remain in motion, unless a net force acts on it.

Accepted Answer

True

Answer

False

Question 45

Newton's First Law of Motion describes motion when forces are _________.

Accepted Answer

BALANCED

Answer

UNBALANCED

Answer

INCREASING

Answer

DECREASING

Question 46

Which property of matter is Newton's First Law of Motion based on?

Accepted Answer

Inertia

Answer

Gravity

Answer

Acceleration

Answer

Friction

Question 47

Newton's Second Law of Motion is mathematically expressed as _________.

Accepted Answer

F = M x A

Answer

F = M + A

Answer

F = M / A

Answer

F = M - A

Question 48

When an unbalanced force acts on an object, the object _________

Accepted Answer

Accelerates

Answer

Stops

Answer

Remains at rest

Answer

Moves at constant velocity

Question 49

Newton's Third Law of Motion states: For every action force, there is an ________ and ________ reaction force.

Accepted Answer

equal; opposite

Answer

greater; similar

Answer

lesser; identical

Answer

random; unpredictable

Question 50

According to Newton's Third Law of Motion, the pair of forces acts on the same object.

Accepted Answer

False

Answer

True

Question 51

According to Newton's First Law of Motion, an object at rest:

Accepted Answer

Will stay at rest unless acted upon by a force

Answer

Will always start moving on its own

Answer

Will automatically speed up

Answer

Will automatically slow down

Question 52

Newton's Second Law of Motion states that:

Accepted Answer

Force equals mass times acceleration

Answer

Force equals mass divided by acceleration

Answer

Force equals speed times distance

Answer

Force equals weight times velocity

Question 53

If you increase the mass of an object:

Accepted Answer

The force needed to accelerate it increases

Answer

The force needed to accelerate it decreases

Answer

The force stays the same

Answer

The object will move faster

Question 54

An example of Newton's First Law in action is:

Accepted Answer

B. A passenger continuing to move forward when a car stops suddenly

Answer

A. A rocket launching into space

Answer

C. A hammer hitting a nail

Answer

D. A balloon floating up

Question 55

According to Newton's Second Law, acceleration depends on:

Accepted Answer

Both mass and force

Answer

Mass only

Answer

Force only

Answer

Neither mass nor force

Question 56

The direction of the force of friction is always _____ the direction of motion

Accepted Answer

opposite

Answer

similar to

Answer

unchanged in

Answer

the same as

Question 57

Which of these materials do you predict would have the MOST amount of friction?

Accepted Answer

sand paper

Answer

metal

Answer

tile

Answer

plastic

Question 58

How does friction affect speed?

Accepted Answer

more friction decreases speed

Answer

more friction increases speed

Answer

less friction decreases speed

Answer

friction has no affect on speed

Question 59

On which surface would a toy car travel the furthest when pushed?

Accepted Answer

ice

Answer

carpet

Answer

snow

Answer

sand

Question 60

Rough surfaces have _________ compared to smoother surfaces.

Accepted Answer

greater friction

Answer

less friction

Answer

the same level of friction

Answer

no friction

Question 61

Why is it harder for the boy in Image B to get down the hill?

Accepted Answer

Friction

Answer

Motion

Answer

Work

Answer

Displacement

Question 62

Friction is a force that acts in a/an ___________ direction of movement.

Accepted Answer

opposite

Answer

similar

Answer

parallel

Answer

upward

Question 63

In which of the following scenarios will the object experience maximum friction?

Accepted Answer

Rough object over rough surface

Answer

Smooth object over smooth surface

Answer

Smooth object over rough surface

Answer

Rough object over smooth surface

Question 64

It is difficult to walk on an oily floor because

Accepted Answer

Force of friction is very less

Answer

Force of friction is very high

Answer

we don't like to walk on oily floor

Answer

None of these

Force and Motion

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