All terms in this list:

momentum: (of a body in motion) the product of its mass and velocity.

conservation of momentum: if no external forces action a group of objects ,their total momentum does not change.

gravity: attractive force between two objects that depend on the masses of the forces of the objects and the distance between them.

newtons: SI unit for force

distance: the length an objects travels measured in SI units of meters

WEIGHT: Gravitational force exerted on an object.

static friction: frictional force that prevents two surfaces from sliding past each other.

Newton's 3rd law of motion: states that when one object exerts a force on a second object, the second object exerts a force on the first object that is equal in strength and in the opposite direction.

terminal velocity: The speed at which an object in free-fall and not in a vacuum ceases to accelerate downwards because the force of gravity is equal and opposite to the drag force acting against it.

projectile: any object propelled through space by the application of a force.

centripetal acceleration: acceleration of an object that is directed toward the center of curved or circular path.

air resistance: force that opposes the motion of objects that more through the air.

Newton's Second law of motion: the acceleration of an object is in the same direction as the net force acting on that object

sliding friction: force that opposes the motion of two objects sliding past each other.

centripetal force: The force on a rotating or orbiting body in the direction of the center of rotation.