Gravity and Motion

Front

Who is credited with the law of universal gravitation?

Back

Newton

Front

True or False: An object's inertia is affected by its mass.

Back

True

Front

What holds all of the planets in orbit around the sun?

Back

Gravity

Front

What is the amount of matter in an object called?

Back

Mass

Front

Because of inertia, a moving object will keep ________.

Back

Moving

Front

What is gravity?

Back

A force that attracts two bodies towards each other.

Front

What is inertia?

Back

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

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object; weight is the force of gravity acting on that mass.

Front

What happens to an object in motion if no external forces act on it?

Back

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

Front

What is the formula for calculating weight?

Back

Weight = Mass x Gravity