Quiz about Intro To Physics: Forces (Ch.12)

Question 1

The picture is an example of Newton's...

Accepted Answer

2nd Law

Answer

1st Law

Answer

3rd Law

Question 2

The picture is an example of Newton's...

Accepted Answer

3rd Law

Answer

1st Law

Answer

2nd Law

Question 3

A Newton is a unit of...

Accepted Answer

force

Answer

inertia

Answer

acceleration

Answer

velocity

Question 4

The combination of all the forces acting on an object is the...

Accepted Answer

net force

Answer

action force

Answer

reaction force

Answer

balance force

Question 5

An archer pulls the bowstring back, then releases the string and the arrow flies forward. Pulling the string back is the...

Accepted Answer

action force

Answer

reaction force

Answer

net force

Answer

inertia

Question 6

An archer pulls the bowstring back, then releases the string and the arrow flies forward. The arrow flying forward is the...

Accepted Answer

reaction force

Answer

action force

Answer

net force

Answer

inertia

Question 7

A cannonball with a mass of 0.5 kg is flying at an acceleration of 10 m/sec/sec. What is it's force?

Accepted Answer

5 Newtons

Answer

50 Newtons

Answer

20 Newtons

Answer

9.5 Newtons

Question 8

The harder you hit a baseball, the faster it accelerates.

Accepted Answer

Newton's
2nd
Law of Motion

Answer

Newton's
1st
Law of Motion

Answer

Newton's
3rd
Law of Motion

Question 9

The acceleration of a 4 kg bowling ball will be greater than the acceleration of a 6 kg bowling ball if the same force is applied to both.

Accepted Answer

Newton's
2nd
Law of Motion

Answer

Newton's
1st
Law of Motion

Answer

Newton's
3rd
Law of Motion

Question 10

As the fuel in a rocket ignites, the force of gas expansion and explosion pushes out the back of the rocket and pushes the rocket forward.

Accepted Answer

Newton's
3rd
Law of Motion

Answer

Newton's
1st
Law of Motion

Answer

Newton's
2nd
Law of Motion

Question 11

You are carrying a lunch tray when you bump into the edge of a table.  Although the tray did not tip, your milk falls off of the front of the tray.

Accepted Answer

Newton's
1st
Law of Motion

Answer

Newton's
2nd
Law of Motion

Answer

Newton's
3rd
Law of Motion

Question 12

What is Newtons 1st law of motion?

Accepted Answer

An object at rest stays at rest unless acted on an unbalanced force.

Answer

Force= Mass multiplied by acceleration

Answer

For every action there is a equal and opposite  re-action.

Answer

Law of gravity

Question 13

What is Newtons 2nd law of motion?

Accepted Answer

Force= Mass multiplied by acceleration

Answer

An object at rest stays at rest unless acted on an unbalanced force.

Answer

For every action there is a equal and opposite  re-action.

Answer

Law of gravity

Question 14

What is Newtons 3rd law of motion?

Accepted Answer

For every action there is a equal and opposite  reaction.

Answer

Force= Mass multiplied by acceleration

Answer

An object at rest stays at rest unless acted on an unbalanced force.

Answer

Law of gravity

Question 15

Mass is a measure of an object's inertia. Objects with greater mass have a greater inertia; objects with less mass have less inertia.

Accepted Answer

true

Answer

false

Question 16

How could you make an object increase its speed?

Accepted Answer

use more force

Answer

use less force

Answer

use no force

Question 17

In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?

Accepted Answer

50N to the left.

Answer

350N to the left.

Answer

350N to the right.

Answer

50N to the right.

Question 18

What is it called when the force of gravity is acting on an object?

Accepted Answer

Weight

Answer

Sliding Friction

Answer

Momentum

Answer

Projectile Motion

Question 19

What is the attraction between two objects because of their mass?

Accepted Answer

Gravity

Answer

Inertia

Answer

Gravitational Force

Answer

Weight

Question 20

What is the product of an objects mass and velocity?

Accepted Answer

Momentum

Answer

Gravity

Answer

Inertia

Answer

Weight

Question 21

Acceleration is measured in...

Accepted Answer

m/s2

Answer

m/s

Answer

N/m

Answer

ms2

Question 22

What is the net force acting on this object

Accepted Answer

3500N

Answer

500N

Answer

0N

Answer

3000N

Question 23

What are balanced forces?

Accepted Answer

forces of the same size in opposite directions

Answer

Forces in the same direction

Answer

Forces of the same size

Question 24

Suppose two carts, one twice as massive as the other, fly apart when the compressed spring that joins them is released.  How fast does the heavier cart roll compared with the lighter cart?

Accepted Answer

half as fast

Answer

twice as fast

Answer

the same

Question 25

A book rests on a table. The force of gravity pulls down on the book with a force of 20 newtons. What prevents the books from accelerating downward at 9.8 m/sec²

Accepted Answer

The table presses back up on the book with an equal and opposite force of 20 newtons.

Answer

The table presses back up on the book with a force greater than 20 newtons.

Answer

The table and the book together are accelerating downwards at 9.8 m/sec²

Answer

The inertia of the book holds it up

Question 26

What is the net force?

Accepted Answer

400 N Down

Answer

400 N Up

Answer

- 400 N Down

Answer

800 N Down

Question 27

What is the net force

Accepted Answer

0 N

Answer

10 N

Answer

25 N

Answer

1 N

Question 28

2 or more forces acting on an object that are __________ will create a __________ that will result in the movement of an object

Accepted Answer

Unbalanced & Net Force

Answer

Balanced & Maximal Force

Answer

Balanced & Net Force

Answer

Unbalanced & Maximal Force

Question 29

In this example, the forces are __________ and as a result the rope will _________

Accepted Answer

unbalanced & move to the left

Answer

unbalanced & move to the right

Answer

balanced & move to the right

Answer

balanced & move to the left

Question 30

Which of these blocks would result in motion?

Accepted Answer

Blocks 2 and 3

Answer

Block 1

Answer

Block 2

Answer

Block 1 and 2

Question 31

How much force is exerted on Cardi B?

Accepted Answer

11N to the right

Answer

12N to the right

Answer

10N to the right

Answer

11 N to the left

Question 32

What is the force applied by the student on the left if the net force is 0.

Accepted Answer

24N

Answer

22N

Answer

23N

Answer

25N

Question 33

If there are two forces going in opposite directions, would you add or subtract them to find the net force?

Accepted Answer

Subtract

Answer

Add

Answer

Multiply

Answer

Neither

Question 34

If there are two forces going in the same direction would you add or subract them to find the net force?

Accepted Answer

Add

Answer

Subtract

Answer

Neither

Answer

Multiply

Question 35

What is the net force?

Accepted Answer

4000 N left

Answer

5000 N right

Answer

4000 N right

Answer

40 N left

Question 36

What is the equation for force?

Accepted Answer

Force=Mass*Acceleration

Answer

Force=Time*Speed

Answer

Force=Speed*Distance

Answer

Force=Speed/Distance

Question 37

With unbalanced forces, the object will move in the direction of the _______ force.

Accepted Answer

larger

Answer

smaller

Answer

equal

Question 38

Calculate the Acceleration.

Accepted Answer

8

Answer

1

Answer

.125

Answer

5

Question 39

Name the missing force...

Accepted Answer

frictional force

Answer

weight force

Answer

thrust

Answer

buoyant force

Question 40

The product of an objects mass and velocity

Accepted Answer

Momentum

Answer

Speed

Answer

Force

Answer

Velocity

Intro To Physics: Forces (Ch.12)

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