Force, Gravity, & Friction

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it comes into contact with another surface.

Front

How does friction affect speed?

Back

More friction decreases speed.

Front

What is the unit called that measures force?

Back

Newton.

Front

What is a force?

Back

A force is a push or a pull on an object.

Front

What are examples of forces that make something move?

Back

Both pushes and pulls.

Front

What happens when forces are balanced?

Back

The object will not move.

Front

What happens when forces are unbalanced?

Back

The object will move in the direction of the greater force.

Front

What is gravity?

Back

Gravity is a force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.

Front

What is the relationship between mass and weight?

Back

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

Front

What is the formula for calculating force?

Back

Force = mass × acceleration (F = m × a).