A 2-kg disk has a radius of 18 cm and rotates with an angular acceleration of 12 rad/s2 about an axis through its center and perpendicular to the plane of the disk. Determine the tangential force at the rim of the disk.
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 2-kg disk has a radius of 18 cm and rotates with an
about
an axis through its center and perpendicular to the plane of the disk. Determine the tangential
force at the rim of the disk.
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