CIRCULAR MOTION by MADAM AMALIA

Time taken to complete one revolution

• frequency

• angular velocity

• period

• angular displacement

Number of revolution per second

• frequency

• angular velocity

• period

• angular displacement

Rate of change of angular displacement

• frequency

• angular velocity

• period

• angular displacement

Angle undergone by an object from a fixed reference point

• frequency

• angular velocity

• period

• angular displacement

Which of the following will increase the magnitude of centripetal acceleration in a uniform circular motion?

• increase the radius

• decrease the mass

• increase the speed

• increase the mass

Object in uniform circular motion moving with

• constant speed

• constant velocity

• changing speed

• zero acceleration

unit for angular displacement

• m

• m s^-1

• rad

• m s^-2

unit for centripetal acceleration

• m

• m s^-1

• rad s^-2

• m s^-2

unit for angular frequency

• Hz

• m s^-1

• rad s^-1

• m s^-2

Choose the correct statement

• a_c always directed toward the centre

• F_c always in opposite direction with a_c

• tangential velocity always in same direction as a_c

• F_c is always perpendicular with a_c