In an Atwood's machine, one block has a mass of 304.0 g, and the other mass of 454.0 g. The pulley, which is mounted in horizontal frictionless bearings, has radius of 6.30 cm. When released from rest, the heavier block is observed to fall 55.0 cm in 1.73 s (without the string slipping on the pulley). m M
Angular speed, acceleration and displacement
Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.
Angular Position
Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.
a.) What is the magnitude of the
b.) what is the rotational inertia of the pulley?
c.) What is the change in the potential energy of the system after 1.73 s?
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