Newton's laws and application of those Flashcards Preview

GRADE 12 Physical Sciences > Newton's laws and application of those > Flashcards

Flashcards in Newton's laws and application of those Deck (7)
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1

Normal force

force exerted by a surface on an object in contact with it. Acts perpendicular to a surface irrespective of whether the plane is horizontal or inclined

2

Frictional force

Force that opposes the motion of an object and it acts parallel to the surface the object it is in contact with

3

Newton's first law of motion

A body will remain in its state of motion (at rest or moving at constant velocity) until a net force acts on it

4

Newton's second law of motion

When a non-zero net force acts on an object, the object will accelerate in the direction of the net force. Acceleration is directly proportional to the net force and inversely proportional to the mass of the object

5

Newton's third law of motion

When one body exerts a force on a second body, the second body exerts a force of equal magnitude in the opposite direction of the first body

6

Newton's law of universal gravitation

Each body in the universe attracts every other body with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centres

7

Weight

Gravitational force the Earth exerts on any object on or near its surface