Question

1. Define
1) uniform circular motion
1) non uniform circular motion
111) angular displacement
iv angular velocity
V) angular acceleration​

Answer 1

I)uniform circular motion is that body moves around a fixed point or on a circular track with uniform speed. When an object is in uniform circular motion, its speed doesn't change.

ii)In non-uniform circular motion, an object's motion is along a circle, but the object's speed is not constant. In particular, the following will be true. The object's velocity vector is always tangent to the circle. The speed and angular speed of the object are not constant.

iii)Angular displacement of a body is the angle in radians (degrees, revolutions) through which a point revolves around a centre or line has been rotated in a specified sense about a specified axis. ... Thus the rotation of a rigid body over a fixed axis is referred to as rotational motion.

iv)the rate of change of angular position of a rotating body.

v)The angular acceleration is the time rate of change of the angular velocity and is usually designated by α and expressed in radians per second per second. For the case in which the angular velocity is uniform.

Answer 2

Answer:

uniform circular motion, which is a circular motion with constant speed. It follows then that non-uniform circular motion denotes a change in the speed of the particle moving along the circular path. ... The change in speed has implications for radial (centripetal) acceleration.