Newton's Laws of Motion

Question 1

An objects momentum is determined by the object's

Accepted Answer

mass and velocity

Question 2

When you paddle a canoe, the canoe goes forward. This is an example of:

Accepted Answer

Newton's Third Law

Question 3

The sled a girl was pulling hit her in the back of the legs when she stopped to tie her hat on.

Accepted Answer

Newton's First Law

Question 4

A person standing in a subway train falls forward when the train stops suddenly.

Accepted Answer

Newton's First Law

Question 5

Newton has how many laws??

Accepted Answer

3

Question 6

Which of the following has a momentum of zero?

Accepted Answer

newspaper lying on a table

Question 7

The pebbles that a grown man skip on a lake go farther and faster than the ones his son throws.

Accepted Answer

Law 2: of Force and Acceleration

Question 8

A swimmer pushes water back with her arms, but her body moves forward.

Accepted Answer

Newton's Third Law

Question 9

How much force is needed to accelerate a 2kg physics book to an acceleration of 6 m/s/s?

Accepted Answer

12 N

Question 10

A force is described as _________ or _________ that acts on an object.

Accepted Answer

a push or pull

Question 11

Forces that are equal in size and direction are ______________.

Accepted Answer

Balanced forces

Question 12

The resistance of an object's change its motion is____________.

Accepted Answer

inertia

Question 13

You blow up a balloon, and let it go. The action force is:

Accepted Answer

The air rushing out of the balloon

Question 14

Newton's 3rd law: For every action there is

Accepted Answer

an opposite and equal reaction

Question 15

Newton's 2nd law of motion: Force equals

Accepted Answer

mass x acceleration

Question 16

If the force of gravity suddenly stopped acting on the moon, it would....

Accepted Answer

Fly in a straight line out into space

Question 17

Acceleration due to gravity is_______

Accepted Answer

9.8 m/s2

Question 18

If you increase the force on an object, it's acceleration...

Accepted Answer

increases

Question 19

Heavier objects require more force than lighter objects to move or accelerate them..which law?

Accepted Answer

Newton's Second Law

Question 20

The unit for force is

Accepted Answer

Newton

Question 21

A pitched baseball goes faster than one that is gently thrown.

Accepted Answer

Law 2: of Force and Acceleration

Question 22

A coffee on the dashboard of a car lands on your lap when you accelerate quickly.

Accepted Answer

Newton's First Law

Question 23

When a rocket launches, the force of the explosion pushes the rocket into space.

Accepted Answer

Law of Action/Reaction

Question 24

All moving objects have momentum...true or false?

Accepted Answer

true

Question 25

Forces that are not equal in size and direction are ______________.

Accepted Answer

Unbalanced forces

Question 26

As an ice skater pushes harder with his leg muscles, he begins to move faster.

Accepted Answer

Law 2: of Force and Acceleration

Newton's Laws of Motion

Questions 26

Newton's Laws of Motion

Questions 26