The heavier an object, the _______ force it takes to move it.

The lighter an object the, ________ force it takes to move it.

a force that works against something and can slow or stop it.

unbalanced forces are ______ .

the forces are _______.

the forces in the picture are ______.

you need a big force to push a ______ table.

the force that pulls down a falling apple from a tree is ________.

You enjoy sliding down fast on a slide because there is _____.

Forces that are equal in the size and cancel each other are called _______ forces.

a force is a ____.