Motion and force unit test

Front

What type of force is acting on a cup of water sitting on a table?

Back

Balanced Force

Front

What law states that an object in motion stays in motion unless acted upon by a force?

Back

Newton's First Law of Motion (Inertia)

Front

What is a disadvantage of frictional force?

Back

Frictional force wears out the bottom soles of shoes.

Front

What is the measure of the force of gravity on an object?

Back

Weight

Front

How can you increase friction?

Back

By putting more threads on a car tire.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What is inertia?

Back

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

Front

What is the formula for calculating weight?

Back

Weight = mass × gravity (W = m × g)

Front

What is the role of lubricants in motion?

Back

Lubricants reduce friction between surfaces.

Front

What is gravitational force?

Back

The force of attraction between two masses.