2.1 Forces Flashcards
The overall force acting on an object when all of the forces
acting on it are combined
Net force
A push or a pull;something that changes the motion of a object
Force
A scientific law stating that objects at rest remain at rest, and objects in motion remain in motion with the same velocity, unless acted on by an unbalanced force.
Newton’s first law
The resistance of an object to change in the speed or the direction of its motion
Inertia
A scientific law stating that the acceleration of an object increases with increased force and decreases with increased mass
Newton’s second law
Any force that keeps an object moving in a circle
Centripetal force
A scientific law stating that every time one object exerts a force on another object, the second object exerts a force that is equal in size and opposite in direction back on the first object
Newton’s third law