Forces

Question 1

Force

Answer 1

strength or energy as an attribute of physical action or movement.

Question 2

Newton

Answer 2

the SI unit of force. It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second per second, and is equivalent to 100,000 dynes.

Question 3

Velocity

Answer 3

the speed of something in a given direction.

Question 4

Acceleration

Answer 4

a vehicle’s capacity to gain speed within a short time.

Question 5

Gravity

Answer 5

The force of attraction between objects that is due to their masses that decreases as the distance between the objects increases.

Question 6

Friction

Answer 6

the resistance that one surface or object encounters when moving over another.

Question 7

Motion

Answer 7

the action or process of moving or being moved.

Question 8

Reference Point

Answer 8

a basis or standard for evaluation, assessment, or comparison; a criterion.

Question 9

Speed

Answer 9

the rate at which someone or something is able to move or operate.

Question 10

Inertia

Answer 10

a tendency to do nothing or to remain unchanged.