Science Concepts and Forces

Front

Definition of Pull

Back

When we move an object closer to us

Front

Example of Pull

Back

Playing tug of war

Front

Characteristics of Force

Back

Can be applied in all directions; can be squeezed, stretched, pushed, and pulled

Front

Definition of Friction

Back

A force that makes it harder to slide objects across each other

Front

Example of Friction in action

Back

Bicycle brake pads squeezing bike tires

Front

Law of Inertia

Back

The greater the mass, the more force needed to change its motion

Front

Newton’s Third Law of Motion

Back

For every action, there is an equal and opposite reaction

Front

Effect of mass on force

Back

More mass requires more force to speed up or slow down

Front

Example of Strong Force

Back

A bulldozer uses a very strong force to push big piles of dirt.

Front

Example of Wheel & Axle

Back

Wagons use wheels and axles to pull people and things.