2. An invention is designed to rotate a 2 kg camera/sensor setup on a 1.5-meter arm, about a central 9 kg motor. We can neglect the mass of the 1.5-meter arm. The system is resting on an icy lake (i.e. frictionless). When the arm rotates through one-half turn, Le. so that the 2 kg "ball" is to the left of the motor in the image shown, we see that the 9 kg motor has moved. As seen by a nearby observer, how far did it move, and in what direction (left or right)? rotation axis D 1.5 meters
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.
2. An invention is designed to rotate a2 kgcamera/sensor setup on a 1.5 -meter arm, about a central9 kgmotor. We can neglect the mass of the 1.5 -meter arm. The system is resting on an icy lake (L.e. frictionless). When the arm rotates through one-half turm, L.e. so that the2 kg"ball" is to the left of the motor in the image shown, we see that the9 kgmotor has moved. As seen by a nearby observer, how far did it move, and in what direction (left or right)?
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