8th Grade 1st Semester Test Review 2024-25

Front

If no force is being applied to a stationary object, what will happen to the object?

Back

The object will remain stationary.

Front

What is the energy that is stored in an object or system called?

Back

Potential energy.

Front

What is required to change the velocity of an object?

Back

A force.

Front

In order for an object to start moving, the force must come from which direction?

Back

Any direction.

Front

What is the energy of motion called?

Back

Kinetic energy.

Front

What is the relationship between force, mass, and acceleration?

Back

F = ma (Force equals mass times acceleration).

Front

What happens to an object in motion if no net force acts on it?

Back

It continues to move at a constant speed in a straight line.

Front

What is the term for the tendency of an object to resist changes in its state of motion?

Back

Inertia.

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N).

Front

What is the formula for calculating potential energy?

Back

PE = mgh (Potential Energy equals mass times gravity times height).