Midterm Study Guide

Front

What is the difference between balanced and unbalanced forces?

Back

Balanced forces cause no change in motion, while unbalanced forces cause a change in motion.

Front

What happens to an object when a force is applied?

Back

It may change its speed, direction, or shape.

Front

What is a force?

Back

A push or pull that can cause an object to move or change its motion.

Front

True or False: A push-pull spring scale can measure both pushing and pulling forces.

Back

True.

Front

In the deformation investigation, which of the following is the independent variable?

Back

The force applied to the object.

Front

What is inertia?

Back

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

Front

What is friction?

Back

A force that opposes the motion of an object when it is in contact with another surface.

Front

What is the unit of force?

Back

The Newton (N).

Front

What is the effect of gravity on objects?

Back

Gravity pulls objects toward the center of the Earth, causing them to fall.

Front

What is the relationship between mass and weight?

Back

Weight is the force of gravity acting on an object's mass.