Force chapter 2

21 terms by JNS2010 

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Air resistance

the fluid force experienced by objects falling through air

Balanced forces

equal forces acting on an object in opposite directions

Centripetal force

a force that causes an object to move in a circle

fluid friction

friction that occurs as an object moves through a fluid

force

a push or pull it exerted on an object

free fall

the motion of falling object when the only force acting is there gravity

friction

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

gravity

the force that pulls an object towards each other

inertia

the tendency of an object resist any change in motion

law conservation of momentum

the rule that the total momentum of an object does not change

mass

the amount of matter in one object

momentum

the product of an object's mass and velocity

net force

the overall force of an object when all the initial forces acting on an object are added together

Newton

the unit and it of measurement that equals the force required to accelerate 1 kg of mass at 1 m/s squared

Projectile

an object that is thrown

rolling friction

friction that occurs when an object roles over a surface

satellite

any object that travels around another object in space

sliding friction

friction that occurs when one solid surfaces slides against another

terminal velocity

the maximum velocity a falling object can achieve

unbalanced forces

nonzero net force which changes an objects motion

weight

force of gravity on an object at the surface of a planet

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