pulling force applied to an object that can make an object stretch.
the tendency of an object to resist a change in it's motion.
law of universal gravitation
all objects are attracted to each other and the force of attraction depends upon their masses and distance between them. (ex:planets)
the combination of all the forces acting on an object.
a contact force that opposes the movement between two surfaces in contact.
a quantity with both size and direction.
unit of mass used in Newton's second law of motion.
unit for force-magnitude of a force.
a force one object exerts on another when they are not touching.
exerted only when touching.
forces that combine to make net force of zero.
forced that don't combine to a net force of zero.
a squeezing force applied to an object that can make an object shrink.
a force exerted by an object that is perpendicular to the surface of the object.
the force between two surfaces in contact that keeps them from sliding when a force is applied.
force exerted by a material when it is stretched or compressed.
circular motion perpendicular to the center of the circle.
Newton's first law of motion
If the net force of an object is zero, an object at rest remains at rest, or if the object is moving it continues to move in a straight line with constant speed.
Newton's second law of motion
the acceleration of an object equals the net force divided by the object's mass.
Newton's third law of motion
When one object exerts a force on a second object, the second object exerts an equal force in the opposite direction on the first object.
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