PHYS 1300 Lecture Notes - Lecture 16: Net Force, Friction
9 Sep 2018
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An object at rest will remain at rest unless acted on by an unbalanced force. An object in motion continues in motion with the same speed and in the same direction unless acted upon by an unbalanced force. If the velocity of an object is at rest, then it will stay at rest with zero acceleration. If [v = 0 m/s] then [a = 0 m/s2] If the velocity of an object is not zero, then it will continue to stay in motion without rest with same speed and direction. I(cid:919) [v (cid:865) (cid:926)(cid:864)(cid:932)] (cid:933)h(cid:918)(cid:927) [a = (cid:865) (cid:926)(cid:864)(cid:932)2] unless acted upon by an unbalanced force. Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object). If fr = 0 n, then [a = 0 m/s2] and [v = constant m/s]
