Gravity and Friction as Forces

Front

What is gravity?

Back

A force that pulls objects toward each other.

Tags

NGSS.HS-PS2-4

Front

What is the force that causes objects to fall to Earth?

Back

Gravity.

Tags

NGSS.HS-PS2-4

Front

What would happen if there was no gravity?

Back

Everything would float.

Tags

NGSS.MS-ESS1-2

Front

Friction is a force that acts in an ___________ direction of movement.

Back

opposite.

Front

How does friction affect speed?

Back

More friction decreases speed.

Tags

NGSS.MS-PS3-5

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What are two types of friction?

Back

Static friction and kinetic friction.

Front

What is static friction?

Back

Friction that prevents an object from starting to move.

Front

What is kinetic friction?

Back

Friction that acts on moving objects.

Front

How does gravity affect weight?

Back

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