Forces and Motion Flashcard - 8th Grade Unit 3 2022

Front

What does a motion graph that shows a flat line represent?

Back

The object is not moving.

Front

What is a contact force?

Back

A force that occurs when objects are physically touching each other.

Front

What happens to the forces acting on an object when it speeds up?

Back

The forces are unbalanced.

Front

What is net force?

Back

The overall force acting on an object, taking into account all individual forces.

Front

If two people pull on opposite sides with equal force, what is the net force?

Back

The net force is zero.

Front

What is the definition of balanced forces?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What is acceleration?

Back

The rate of change of velocity of an object.

Front

What does it mean if an object is in motion?

Back

It is changing its position relative to a reference point.

Front

What is the formula for calculating net force?

Back

Net Force = Force applied in one direction - Force applied in the opposite direction.

Front

What is inertia?

Back

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