Quiz about Ohio Physical Science Forces and Motion

Question 1

What is Newton's First Law of Motion?

Accepted Answer

An object at rest stays at rest, an object in motion stays in motion unless acted on by another force.

Answer

F=m x a

Answer

Every action has an equal and opposite reaction

Answer

Friction

Question 2

What is Newton's First Law known as? The Law of

Accepted Answer

Inertia

Answer

Friction

Answer

Mass

Answer

Gravity

Question 3

Why does an 18-wheeler have more inertia than a bicycle?

Accepted Answer

it has more mass

Answer

it has more volume

Answer

it is not as aerodynamic

Question 4

Newton's second law of motion describes acceleration as force divided by __________.

Accepted Answer

mass

Answer

inertia

Answer

speed

Answer

direction

Question 5

The force that pulls an object in a circular motion and keeps it in a circular motion is centripetal force.

Accepted Answer

True

Answer

False

Question 6

According to __________, the acceleration of an object is equal to the net force acting on the object divided by the object's mass.

Accepted Answer

Newton's Second Law

Answer

Newton's Third Law

Answer

Newton's First Law

Question 7

An object's velocity can be changed by changing its speed, its direction, or both.

Accepted Answer

True

Answer

False

Question 8

When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?

Accepted Answer

The cannon moving backwards

Answer

The cannon moving forward

Answer

The cannonball moving backwards

Answer

The cannonball moving forward

Question 9

A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

Accepted Answer

Newton's 1st Law

Answer

Newton's 2nd Law

Answer

Newton's 3rd Law

Answer

None of them

Question 10

Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more inertia.

Accepted Answer

Newton's 2nd Law

Answer

Newton's 1st Law

Answer

Newton's 3rd Law

Answer

None of them

Question 11

The gravitational attraction between two objects is reduced most when--

Accepted Answer

The masses are decreased, and the distance between them is increased

Answer

The masses are increased and the distance between them is decreased

Answer

The masses are decreased and the distance between them is decreased

Question 12

Which of the following would have the greatest gravitational attraction between the two masses

Accepted Answer

Picture A

Answer

Picture B

Answer

Picture C

Question 13

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

Accepted Answer

opposite

Answer

similar

Answer

parallel

Answer

west

Question 14

The amount of friction depends on the weight of the objects pressing together.

Accepted Answer

True

Answer

False

Question 15

Rougher surfaces have ...

Accepted Answer

greater friction

Answer

less friction

Answer

the same level of friction

Question 16

If these boys are pulling with the same amount of force.  What will happen?

Accepted Answer

They will not move at all.

Answer

The boy in blue will win.

Answer

The boy in red will win.

Answer

Both will fall down.

Question 17

Why is person B having a hard time moving down the hill?

Accepted Answer

Person B has more friction than person A.

Answer

Person B has the same friction as person A.

Answer

Person B is out of shape.

Answer

Person B has less friction has person A.

Question 18

This is an example of what kind of force?

Accepted Answer

Unbalanced Force

Answer

Balanced Force

Answer

Pushing Force

Answer

Gravity Force

Question 19

What is motion?

Accepted Answer

Any change in an object or person's position.

Answer

It's like the ocean

Answer

Any change in an animal or person's position.

Answer

Motion is like acting

Question 20

What pulls a ball back to earth?

Accepted Answer

Gravity

Answer

Gas

Answer

Friction

Answer

Molecules

Question 21

How is gravity affected by mass?

Accepted Answer

the larger the mass of the object, the greater the gravity

Answer

small objects have no gravity

Answer

gravity is not affected by mass of objects, whether large or small

Question 22

A greater applied force is required to move an object with a greater mass than one with a smaller mass.

Accepted Answer

True

Answer

False

Question 23

Would a spring scale measure more force pulling an object across carpet, wood, or sandpaper?

Accepted Answer

Sandpaper

Answer

Carpet

Answer

Wood

Question 24

Calculate the net force of the object in the image shown.

Accepted Answer

5N

Answer

20N

Answer

35N

Answer

25N

Question 25

Which direction will the object move?

Accepted Answer

Left

Answer

Up

Answer

Down

Answer

Right

Question 26

Students are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?

Accepted Answer

The ribbon will move to the right and group B will win the tug-of-war.

Answer

The ribbon will move to the left and group A will win the tug-of-war.

Answer

The ribbon will move to the left and group B will win the tug-of-war.

Answer

The ribbon will move to the right and group A will win the tug-of-war.

Question 27

A cyclist traveling at 25 km/hr turns sharply to the left while continuing to move 25 km/hr. This means the forces involved are_____________________.

Accepted Answer

Unbalanced, because his direction changed.

Answer

Balanced, because the cyclist's speed did not change.

Answer

Balanced, because he was still moving forward.

Answer

Unbalanced, because it's the same bicycle.

Question 28

The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to move to the right?

Accepted Answer

Object Y

Answer

Object W

Answer

Object X

Answer

Object Z

Question 29

The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to remain in place?

Accepted Answer

Object Z

Answer

Object W

Answer

Object X

Answer

Object Y

Question 30

If a force does not cause an object to move, it's considered a(n) __________________ force.

Accepted Answer

Balanced

Answer

Unbalanced

Answer

Wimpy

Answer

Weak

Question 31

The energy of motion.

Accepted Answer

Kinetic Energy

Answer

Potential Energy

Question 32

What is energy?

Accepted Answer

the ability to cause change

Answer

the ability to resist change

Answer

the ability to lack change

Answer

the ability to

Question 33

"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."
Which law is this?

Accepted Answer

Law of Conservation of Energy

Answer

Law of Conservation of Mass

Answer

Newton's Second Law

Answer

Newton's Third Law

Question 34

Can energy be created or destroyed?

Accepted Answer

No

Answer

Yes

Question 35

total distance traveled divided by total time taken to travel that distance

Accepted Answer

average speed

Answer

velocity

Answer

motion

Answer

acceleration

Question 36

the rate at which speed or velocity changes

Accepted Answer

acceleration

Answer

average speed

Answer

motion

Answer

reference point

Question 37

speed of an object in a particular direction

Accepted Answer

velocity

Answer

motion

Answer

speed

Answer

acceleration

Question 38

Describe the speed of the rocket in the speed vs. time graph.

Accepted Answer

Increasing speed

Answer

Constant speed

Answer

Decreasing speed

Answer

Not moving

Question 39

Describe the speed of the object from 4-6 seconds using the distance vs. time graph.

Accepted Answer

Not moving

Answer

Increasing speed

Answer

Decreasing speed

Answer

Constant speed

Question 40

Describe the speed of the object from
0-2 seconds using the distance vs. time graph.

Accepted Answer

Constant

Answer

Speeding up

Answer

Slowing down

Answer

Not moving

Question 41

Describe the speed of the object from
2-5 seconds using the speed vs. time graph.

Accepted Answer

Constant speed

Answer

Increasing speed

Answer

Not moving

Answer

Decreasing speed

Question 42

The picture of the position vs. time graph shows an object that is...

Accepted Answer

accelerating/speeding up

Answer

moving at a constant speed

Answer

not moving

Answer

accelerating/slowing down.

Question 43

Acceleration is defined as the CHANGE in

Accepted Answer

velocity divided by the time interval

Answer

time it takes for one place to move to another place.

Answer

velocity of an object.

Answer

distance divided by the time interval

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