7th Grade Unit 4 Balanced and Unbalanced Forces

Front

What is Newton's First Law of Motion?

Back

An object will remain in its current state of motion or at rest unless an outside net force acts on it.

Front

What is the definition of force?

Back

A push or pull.

Front

What is friction?

Back

A force that resists the sliding or rolling of one solid object over another.

Front

What are balanced forces?

Back

Equal and opposite forces on an object that result in no change in position, direction, or motion; combined net force equals zero.

Front

What is the unit of force in the international system of units?

Back

Newton.

Front

What is an unbalanced force?

Back

Forces that cause a change in the motion of an object; the net force is not zero.

Front

How does friction affect motion?

Back

Friction opposes the motion of objects, slowing them down or preventing them from moving.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is the formula for calculating force?

Back

Force = mass x acceleration (F = ma).

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.