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Conceptual Physics 04: Newton's Second Law
Terms in this set (18)
In general, a state of balance where Fnet = 0
Any influence that tends to accelerate an object. A push or a pull; measured in Newtons.
The force that acts to resist the relative motion (or attempted motion) of objects or materials that are in contact. A force that works against the motion of an object
The fundamental SI unit of Mass.
A measure of an object's inertia. Also, a measure of the amount of matter in an object. Depends only on the amount of and kind of particles that compose an object - not on its location.
SI Unit of Force.
For an object at rest, it is the upward force that balances the weight of the object at rest. Also called a Support Force
For an object at rest, it is the upward force that balances the weight of the object at rest. Also called a Normal Force
The force on a body due to the gravitational attraction of another body (commonly the Earth). (*
a downward force!
The quantity of space an object occupies
Newton's Second Law
The acceleration of an object is directly proportional to the net force acting on the object, it in the direction of the net force and is inversely proportional to the mass of the object. In other words... F=ma
Motion under the influence of gravitational pull only
The speed at which the acceleration of a falling object terminates because air resistance balances its weight.
Change in velocity divided by the time it takes for the change to occur
a relation between two quantities such that one increases in proportion as the other decreases.
A relationship between two quantities in which one increases as the other increases
frictional force air exerts on a moving object; acts opposite in direction to the object's motion.
Depends on two things: speed and frontal surface area
The sum of all forces acting on an object. It is the net force that accelerates a mass (in the direction of the net force).
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