______ is the force that one surface exerts on another when two rub against each other

Occurs when two solid surfaces slide over each other.

Acts between objects that aren't moving.

Occurs when a solid object moves through a fluid.

When an object rolls across a surface

What happens when two forces act in the same direction?

The greater the mass of an object the ___________

_______ is the force of gravity on a person or object on the same surface of a planet.

The law of universal gravitation states that any two objects in the universe that have mass, without exception, ___________

_____ force is the overall force on an object after all the forces are added together.

One ______ is the force required to accelerate 1 Kilogram of a mass at 1 meter per second per second

According to Newton's third law of motion, the strength of a reaction force is _______ the strength of the action force.

The force of gravity is responsible for continuosly changing the ____ in which a satellite moves.

The force of gravity between you and the earth is greater than the force of gravity between you and a car because _______

Mass and ______ affect the gravitational attraction between objects.

Friction depend on the type of surfaces involved and how _________________

What is the property of matter that resists a change in motion called _____

______ depends on an object's mass and the net force acting on the object according to Newtons second law of motion.