Gravity and Friction

Front

What is sliding friction?

Back

Friction where an object rubs against another surface.

Front

Friction is an example of _____________

Back

Contact force.

Front

What is fluid friction?

Back

Friction of something going through any type of liquid or air.

Front

What is the SI unit used to measure force?

Back

Newtons.

Front

Where would you have more mass, on Earth or on the Moon?

Back

The same; mass doesn't change.

Front

What is gravity?

Back

A force that attracts two bodies towards each other.

Front

What is the formula for calculating weight?

Back

Weight = mass × gravity.

Front

What is static friction?

Back

Friction that prevents an object from starting to move.

Front

What is kinetic friction?

Back

Friction that occurs when an object is moving.

Front

What factors affect friction?

Back

Surface texture and the force pressing the surfaces together.