Duplicate of Forces and Newton's Laws

Question 1

You push a car with 75 N, the car is going straight, what is the net force?

Accepted Answer

0

Question 2

When calculating an object's weight, what are the units?

Accepted Answer

newton

Question 3

This picture is an example of which of Newton's laws?

Accepted Answer

1st

Question 4

Inertia is the _____ an object has to a change in motion.

Accepted Answer

resistance

Question 5

When an object does not experience air resistance, all objects will fall at the same velocity.

Accepted Answer

True

Question 6

If forces are balanced, the object could be

Accepted Answer

Both

Question 7

The more friction the _____ the surfaces are.

Accepted Answer

rougher

Question 8

Newton's 1st law says that an object in motion remains in motion unless a __force acts on it.

Accepted Answer

Unbalanced

Question 9

The traction of your car tires is an example of __ friction.

Accepted Answer

rolling

Question 10

When pushed with the same force, a larger mass would accelerate faster.

Accepted Answer

False

Question 11

You hit a tennis ball with a racket, the ball goes flying, which of Newton's laws best applies?

Accepted Answer

2 & 3

Question 12

The forces of gravity and air resistance must be _____ for the terminal velocity to be reached.

Accepted Answer

balanced

Question 13

____ is a friction like force that opposes the motion of falling objects.

Accepted Answer

air resistance

Question 14

___ friction opposes the motion of two surfaces sliding past each other.

Accepted Answer

sliding

Question 15

Weight and mass are the same value.

Accepted Answer

False

Question 16

The force of gravity can be calculated by which formula?

Accepted Answer

F = G((m1m2)/d2)

Question 17

The gravitational force exerted on an object is the object's

Accepted Answer

weight

Question 18

This image represents which of Newton's Laws of motion?

Accepted Answer

2nd

Question 19

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

Accepted Answer

Net force

Question 20

What is a force?

Accepted Answer

The ability to cause change, A push or pull

Question 21

Which explains why you hit an airbag?

Accepted Answer

inertia, Newton 1

Question 22

How much does a 200 kg dog weigh on the Moon? The Moon is 1/6th the mass of Earth.

Accepted Answer

320 N

Question 23

What is the SI unit for force?

Accepted Answer

N

Question 24

The force of gravity depends on which variables?

Accepted Answer

mass & distance

Question 25

If forces are unbalanced, the object could be

Accepted Answer

both

Question 26

A football player with a higher mass also has a higher inertia.

Accepted Answer

True

Question 27

Which equation represents Newton's 2nd law of motion?

Accepted Answer

F = ma

Question 28

The ____ the object, the more air resistance it has.

Accepted Answer

bigger

Question 29

When you try to push your couch across the room but it won't move is an example of __ friction.

Accepted Answer

static

Question 30

Newton's 1st law is also known as the law of what?

Accepted Answer

inertia

Question 31

The equation to calculate an object's weight is

Accepted Answer

F = ma, Fg = mg

Question 32

A blue whale has a mass of 12,200 kg. What is the blue whale's weight?

Accepted Answer

119,560 N

Question 33

An object with a mass of 4 kg is pushed with a force of 20 N, what is the object's acceleration

Accepted Answer

5 m/s2

Question 34

Every action has an equal and opposite reaction is which of Newton's laws?

Accepted Answer

3rd

Question 35

Which is related to Newton 2nd law?

Accepted Answer

acceleration

Question 36

____ is the force that opposes the sliding motion of two surfaces that are touching each other?

Accepted Answer

friction

Question 37

On the Moon, would your mass or weight be the same as it is on Earth?

Accepted Answer

Mass

Question 38

The force exerted by an object depends on which two variables?

Accepted Answer

acceleration and mass

Question 39

____ friction prevents two surfaces from sliding past each other.

Accepted Answer

static

Question 40

You run into a whale with 68 Newton's of force, what did the whale run into you with?

Accepted Answer

68 Newton's

Duplicate of Forces and Newton's Laws

Questions 40

Duplicate of Forces and Newton's Laws

Questions 40