Dynamics

Question 1

Newton’s First Law of Motion

Answer 1

An object at rest will remain at rest and an object in motion will remain in motion unless acted upon by an outside force

This is also called the law of inertia or the law of Motion

Question 2

Newton’s Second Law of Motion

Answer 2

The net force required to move an object is equal to the object’s mass multiplied by its acceleration

Also known as the law of acceleration

Question 3

Newton’s Third Law of Motion

Answer 3

For every action, there is an equal and opposite reaction

Also known as the law of action and reaction

Question 4

Study of why things move the way they do

Answer 4

Dynamics

Question 5

An object’s tendency to stay in the position it is in

Answer 5

Inertia

Question 6

Newton’s universal law of gravitation

Answer 6

Any two bodies attract each other with a force proportional to the product of the masses and inversely proportional to the square of the distance between them

Question 7

Maximum speed of a fall in body

Answer 7

Terminal Velocity

Question 8

Point where the mass of an object appears to be concentrated

Answer 8

Center of Mass/ Center of gravity

Question 9

Do objects fall at the same rate

Answer 9

Yes, because Newtons second law of motion states that the net force required to move in object is equal to its mass multiplied by its acceleration.

A 10 pound rock and 1 pound rock will fall at the same rate

Even though the 10 pound rock weighs more it also resists movement 10 times more than the 1 pound rock therefore they will fall at the same rate

Now if you dropped a rock and a feather the feather will fall slow because of air resistance, but if you were to take a rock and a feather to the moon because there was no atmosphere and no Ed they will follow the same weight due to the lack of it air resistance