BACKGROUND: Newton’s Second Law: F = m x a . The net force acting on a body, als
ID: 3163971 • Letter: B
Question
BACKGROUND:
Newton’s Second Law: F = m x a. The net force acting on a body, also called the resultant force,
is the vector sum of all forces acting on the body.
Using the disk only, without the steel ring, we will place .1000 kg on the hanger, release the hanger and determine the linear acceleration of the falling mass. Gravity acts on the hanging mass. A string is passed over a pulley and transmits the force on the hanging mass to the torque pulley attached to the disk. Gravity acting on the hanging mass and the tension in the string act to accelerate the disk. Is this the only force acting? If not, how will we determine the other force on the disk?
Explanation / Answer
Along with the force of gravity which would be acting of the hanging mass downwards and the tension in the string which would be acting upwards; there would also be a torque acting on the disc due to the moment of inertia of the disc.
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