An air puck of mass m1 = 0.32 kg is tied to a string and allowed to revolve in a circle of radius R = 1.4 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of m2 = 0.9 kg is tied to it (see the figure below). The suspended mass remains in equilibrium while the puck on the tabletop revolves. (a) What is the tension in the string (in N)? N   (b) What is the horizontal force acting on the puck (in N)? N   (c) What is the speed of the puck (in m/s)? m/s

Question

An air puck of mass m1 = 0.32 kg is tied to a string and allowed to revolve in a circle of radius R = 1.4 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of m2 = 0.9 kg is tied to it (see the figure below). The suspended mass remains in equilibrium while the puck on the tabletop revolves.

(a) What is the tension in the string (in N)?
N
 
(b) What is the horizontal force acting on the puck (in N)?
N
 
(c) What is the speed of the puck (in m/s)?
m/s
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Newtons Laws of Motion

Angular Motion

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