Intro to Forces

It helps the ball move faster.

It slows the ball down by acting in the opposite direction of motion.

It pulls the ball towards the ground.

It makes the ball bounce higher.

Adding soap to a slip and slide

Waxing skis or snowboards

Using oil on moving parts

Increasing the roughness of a surface

Gravity pulling you down to earth

Pushing your friend on a swing

Magnet pulling a paper clip

Pulling the rope during tug-o-war

The moon has less mass than Earth, so it has less gravitational pull.

The moon is farther from the sun.

The moon spins faster than Earth.

The moon has more air resistance.

Kicking a soccer ball

Pulling a wagon

Gravity acting on an apple

Holding a book still

Speed up

Slow down

Change shape

Disappear

Pushing moves an object away from the force, while pulling moves it towards the force.

Pushing and pulling both move objects in the same direction.

Pushing always requires more force than pulling.

Pulling only works with heavy objects.