Quiz about Forces

Question 1

What is the net force?

Accepted Answer

40 N right

Answer

40 N left

Answer

0 N Balalnced

Answer

400 N right

Question 2

How will this object move?

Accepted Answer

It won't move.

Answer

It will move to the right.

Answer

It will move to the left.

Answer

It will move in both directions.

Question 3

How will this object move?

Accepted Answer

It will move to the right.

Answer

It won't move.

Answer

It will move to the left.

Answer

It will move up.

Question 4

What is the net force?

Accepted Answer

5 N left

Answer

30 N left

Answer

25 N right

Answer

55 N right

Question 5

Which could be an example of an unbalanced force?

Accepted Answer

A baseball that has been thrown to home plate.

Answer

A plate sitting on a dining table

Answer

A ball at the top of a hill that is not moving

Answer

Earth orbiting the Sun

Question 6

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

Accepted Answer

60 N right

Answer

10 N left

Answer

60 n right

Answer

50 N left

Question 7

What is the net force?

Accepted Answer

400 N Down

Answer

400 N Up

Answer

- 400 N Down

Answer

800 N Down

Question 8

Forces that have a net force of zero ( the object is still).

Accepted Answer

Balanced force

Answer

Unbalanced force

Question 9

The sum of all forces acting on an object and direction

Accepted Answer

Net Force

Answer

Contact Force

Answer

Balanced Force

Answer

Unbalanced Force

Question 10

8 N to the left , and 4 N to the right. Find the net force. Is this balanced ?

Accepted Answer

4 N Left  No

Answer

12 N Right  No

Answer

12 N Right  Yes

Answer

4 N Left  Yes

Question 11

(T or F?) A balanced force is only an object that is not moving.

Accepted Answer

False

Answer

True

Question 12

Balanced or Unbalanced?

Accepted Answer

Unbalanced

Answer

Balanced

Question 13

Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?

Accepted Answer

Balanced

Answer

Unbalanced

Question 14

Are forces balanced or unbalanced when a marble rolls down a ramp?

Accepted Answer

Unbalanced

Answer

Balanced

Question 15

Are forces balanced or unbalanced when skateboarding down a ramp?

Accepted Answer

Unbalanced

Answer

Balanced

Question 16

What is gravity?

Accepted Answer

A force

Answer

Energy

Answer

A push

Answer

All of them

Question 17

Which object has more mass?

Accepted Answer

Earth

Answer

Ball

Question 18

Which object has a GREATER force of gravity?

Accepted Answer

Earth

Answer

Ball

Question 19

Which objects have a STRONG force of gravity?

Accepted Answer

Objects with GREATER mass, like elephants

Answer

Objects with LESS mass, like mice

Question 20

Which has more mass, Earth or the Moon?

Accepted Answer

Earth

Answer

Moon

Answer

The same

Question 21

Which has a STRONGER force of gravity, Earth or the Moon?

Accepted Answer

Earth

Answer

Moon

Question 22

Why can astronauts jump and float a little on the Moon?

Accepted Answer

Because the Moon's gravity is NOT that STRONG.

Answer

Because the Moon's gravity is VERY STRONG.

Question 23

Do astronauts float away on the moon?

Accepted Answer

No, because Moon's gravity pulls them down.

Answer

Yes, they float and can't even walk!

Question 24

Where would you weigh more, on Earth or on the Moon?

Accepted Answer

Earth

Answer

Moon

Question 25

Where would you have more mass, on Earth or on the Moon?

Accepted Answer

IS THE SAME, mass DOESN'T CHANGE

Answer

Earth

Answer

Moon

Answer

In both Planets.

Question 26

The force of gravity acting on an object is the object's ______.

Accepted Answer

weight

Answer

mass

Answer

matter

Answer

friction

Question 27

Is the force of gravity acting on the bag of potatoes a contact or non-contact force?

Accepted Answer

non-contact force

Answer

contact force

Question 28

A magnet cannot not move which of the following objects?

Accepted Answer

a toothpick

Answer

a paper clip

Answer

a nail

Answer

a staple

Question 29

How do magnets exert force over a distance?

Accepted Answer

they have a magnetic field

Answer

they have a very strong electric force

Answer

they have tiny, invisible hooks around their edges

Answer

they create chemical imbalances

Question 30

A balloon has a negative charge.  The glass rod has a positive charge.  What will happen when the glass rod is brought near the balloon?

Accepted Answer

The balloon will be attracted to the rod

Answer

The balloon will be repelled by the rod

Answer

The balloon will remain in place

Answer

The balloon will spin in circles

Question 31

How does friction affect speed?

Accepted Answer

more friction decreases speed

Answer

more friction increases speed

Answer

less friction decreases speed

Question 32

Rougher surfaces have ...

Accepted Answer

greater friction

Answer

less friction

Answer

the same level of friction

Question 33

What force ultimately slows the roller coaster to a stop?

Accepted Answer

Friction

Answer

Applied

Answer

Normal

Answer

Magnetic

Question 34

If an object is stationary (not moving) the forces acting upon it are _____________

Accepted Answer

balanced

Answer

unbalanced

Answer

weak

Answer

Hulk Smash!

Question 35

This is an example of what kind of force?

Accepted Answer

Unbalanced Force

Answer

Balanced Force

Answer

Pushing Force

Answer

Gravity Force

Question 36

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

Accepted Answer

opposite

Answer

similar

Answer

parallel

Answer

west

Question 37

What type of force is holding this balloon to the wall?

Accepted Answer

Electrical

Answer

Applied

Answer

Gravitational

Answer

Magnetic

Question 38

If a dog is pulling on his leash, what type of force is being used?

Accepted Answer

Applied

Answer

Frictional

Answer

Gravitational

Answer

Magnetic

Question 39

What object has a stronger gravitational pull?

Accepted Answer

Bowling ball

Answer

Ping pong ball

Answer

Golf ball

Answer

Basketball

Question 40

Which statement is true about balanced and unbalanced forces?

Accepted Answer

Balanced forces can either have no motion or have an object moving at a constant speed

Answer

Neither balanced or unbalanced forces cause motion

Answer

Unbalanced forces do not change motion and balanced forces change motion

Question 41

Which contact force slows down an object's motion due to the rubbing of surfaces?

Accepted Answer

Frictional force

Answer

Normal force

Answer

Magnetic force

Answer

Applied force

Question 42

A science class was trying to figure out which ramp height would make a marble travel faster. What is the dependent variable?

Accepted Answer

The marble's speed

Answer

The height of the ramp

Answer

The location of the ramp

Answer

The size of the marble

Question 43

The paper clips are attracted to the magnet, what are they most likely made out of?

Accepted Answer

Metal

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 44

A science class was trying to figure out which ramp height would make a marble travel faster. What is the independent variable?

Accepted Answer

The height of the ramp

Answer

The marble's speed

Answer

The location of the ramp

Answer

The size of the marble

Question 45

Whenever a car is moving at a constant speed, which choice is true

Accepted Answer

All forces acting on the car are balanced

Answer

The car has positive acceleration

Answer

The car has negative acceleration

Answer

All forces acting on the car are UNbalanced, because the car is in motion

Question 46

There is one person pushing a box to the RIGHT with 20 Newtons of force and one person pushing to the LEFT with 15 Newtons of force. What is true about the forces acting on the box?

Accepted Answer

The forces are NOT balanced and the box will move to the right

Answer

The forces are NOT balanced and the box will move to the left

Answer

The forces ARE balanced and the box will not move

Answer

The forces ARE balanced and the box will move to the left

Question 47

If a bicyclist is traveling a constant speed in a race, what should their line look like on a distance vs. time graph?

Accepted Answer

The line should be diagonal

Answer

The line should have curves

Answer

The line should be horizontal

Question 48

What is the equation to calculate speed?

Accepted Answer

speed = distance/time

Answer

speed = time/distance

Answer

speed = time x distance

Answer

speed = speed/time

Question 49

If an object travels 42 meters in 6 seconds, what is its average speed?

Accepted Answer

7 m/s

Answer

6 m/s

Answer

48 m/s

Answer

252 m/s

Question 50

Marni runs 1500 meters around the  school  track.  What does she need to know in order to  find out her speed?

Accepted Answer

her time from  start  to  finish

Answer

the  number of steps  she  took

Answer

her  heart rate  at  the finish line

Answer

the direction  she began  running

Question 51

Marlon decided to visit Dallas, which is 210 miles away from Houston. His trip took him 3 hours to complete. Calculate his average speed.

Accepted Answer

70 mph

Answer

60 mph

Answer

64 mph

Answer

3 mph

Question 52

What is this graph representing?

Accepted Answer

Constant Speed

Answer

Acceleration (speeding up)

Answer

Deceleration (slowing down)

Answer

No motion

Question 53

What does this graph represent?

Accepted Answer

Not moving

Answer

Constant speed

Answer

Acceleration

Question 54

Which graph shows the fastest speed?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 55

This type of force is an attraction between two objects

Accepted Answer

gravity

Answer

contact

Answer

friction

Question 56

This type of force is when one object pushes or pulls on another object by touching it

Accepted Answer

contact

Answer

at a distance

Answer

friction

Question 57

This type of force resist motion between two surfaces that are pressed together

Accepted Answer

friction

Answer

contact

Answer

gravity

Question 58

This type of force requires you pushing or pulling something...

Accepted Answer

applied

Answer

normal

Answer

friction

Answer

gravitational

Question 59

What type of force?

Accepted Answer

Magnetic

Answer

Gravitational

Answer

Applied

Answer

Normal

Question 60

What type of force is holding this balloon to the wall?

Accepted Answer

Electrical

Answer

Applied

Answer

Gravitational

Answer

Magnetic

Question 61

What force holds the planets in motion around the sun?

Accepted Answer

Gravitational

Answer

Magnetic

Answer

Electrical

Answer

Air Resistance

Question 62

What type of force causes these balloons to move toward or away from each other?

Accepted Answer

Electrical

Answer

Gravitational

Answer

Applied

Answer

Magnetic

Question 63

What force ultimately slows the roller coaster to a stop?

Accepted Answer

Friction

Answer

Applied

Answer

Normal

Answer

Magnetic

Question 64

What does the strength of gravity between two objects depend upon?

Accepted Answer

Mass & distance

Answer

Mass & weight

Answer

Gravity & inertia

Answer

Inertia & mass

Forces

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