Section 1

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Net force

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Last updated

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Date created

Mar 1, 2020

Cards (14)

Section 1

(14 cards)

Net force

Front

The vector sum of all forces acting on an object

Back

Kilogram

Front

The fundamental SI unit of mass

Back

Friction

Front

A force that opposes motion

Back

Air resistance

Front

The frictional force that air exerts on a moving object; acts in a direction opposite to the object's motion

Back

Balanced forces

Front

Forces that are equal in magnitude and opposite in direction

Back

Newton's 1st Law

Front

An object at rest will remain at rest, and an object in motion will remain in motion, ar constant velocity and in a straight line, unless acted upon by a net force; law of inertia

Back

Inertia

Front

The tendency of an object to resist a change in its velocity

Back

Newton's 3rd Law

Front

All forces come in action-reaction pairs; whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first; law of action and reaction

Back

Newton's 2nd Law

Front

The acceleration of an object is directly proportional to the net force applied, and inversely proportional to the object's mass; a = Fnet/m

Back

Force

Front

A vector quantity describing the push or pull on an object; measured in Newtons (N)

Back

Unbalanced forces

Front

Forces that combine to produce a net force that is not equal to zero and thus cause the velocity of an object to change

Back

Mass

Front

The quantity of matter an object contains; a measure of an object's inertia

Back

Newton

Front

The fundamental SI unit of force; the amount of force that will give an object of mass 1 kg an acceleration of 1m/s².

Back

Weight

Front

The force of gravity acting on an object; equal to the object's mass times the acceleration due to gravity (mg).

Back