Non-Contact Forces

Front

What is gravity?

Back

Gravity is a non-contact force that attracts two objects towards each other, depending on their masses and the distance between them.

Front

What two factors determine the strength of gravity between two objects?

Back

Mass and distance.

Front

How does the distance between two objects affect the force of gravity?

Back

As the distance between two objects decreases, the force of gravity between them increases.

Front

What happens to your weight if you travel to a place with less gravity, like the Moon?

Back

Your weight would decrease because the Moon has a smaller mass than Earth.

Front

What is static electricity?

Back

Static electricity is an imbalance of electric charges within or on the surface of a material.

Front

What causes your hair to stand up when you have static electricity?

Back

An imbalance between negative and positive charges in objects causes your hair to stand up.

Front

What is a non-contact force?

Back

A non-contact force is a force that can act on an object without physical contact, such as gravity or magnetism.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

If two objects are dropped from the same height, which will hit the ground first in a vacuum?

Back

Both will hit the ground at the same time because there is no air resistance.

Front

What is the role of mass in gravitational attraction?

Back

The greater the mass of an object, the stronger its gravitational pull.