roller coaster, when you put water in a bucket and swing the bucket in circles and the water will stay in the bucket
Force on accelarating object.
balanced force, unbalanced force, and net force
Your weight.
gravity...
spring
a contact force includes friction and air resistance
A force is a push or pull on an object some ex are friction
A force acting between two different molecules
Two examples of force being exerted include gravitational and electromagnetic. A body of mass rested on a surface is being held there by the Earth's force of gravity.
Gravitational force field, electric force field, magnetic force field.
gravitational force
Electromagnetic Gravity