Magnetic Forces and Motion

One kind of force that works over a distance without touching is _____

When five forces are acting on an object, and they cause the object to change its motion, then the forces are _______

You can ________ what will happen to objects undergoing repeating motion by studying patterns.

You have two bar magnets. The magnetic poles that are the same will ______, and the opposite magnetic poles will ______.

You can reduce friction by using a ________.

Friction requires objects to be in ________, or touching.

When you use the brakes on a bike to come to a quick stop, the force that causes the wheel to stop moving is ________.

You can _________ a friend on a swing, and you can _________ on a rope during tug-of-war. Both are types of forces.

Objects that are changing position are said to be in _______.

When several forces are acting on an object that is at rest, and the object does not move, then the forces are _________.