Embibe Experts Solutions for Chapter: Circular Motion, Exercise 1: Maharashtra Board-2018

A particle of mass m performs vertical motion in a circle of radius r. Its potential energy at the highest point is ____.

(g is the acceleration due to gravity)

Distinguish between centripetal and centrifugal force.

A flat curve on a highway has a radius of curvature 400 m. A car goes around a curve at a speed of 32 m/s. What is the minimum value of the coefficient of friction that will prevent the car from sliding?$(g = 9.8 m/s^2)$

What is the value of tangential acceleration in U.C.M. ?

Obtain expressions of energy of a particle at different positions in the vertical circular motion.

Define uniform circular motion.

Obtain the relation between the magnitude of linear acceleration and angular acceleration in circular motion.

In a Circus, a motor-cyclist having mass of $50 \mathrm{kg}$ moves in a spherical cage of radius $3 \mathrm{m}$. Calculate the least velocity with which he must pass the highest point without losing contact. Also calculate his angular speed at the highest point.