Circular Motion MCQs

A. its translational K.E

B. half than its translational K.E

C. double than its translational K.E

D. four times than its translational K.E

A. K.E hoop = K.E disc

B. K.E hoop = 2K.E disc

C. K.E hoop = 1/2K.E disc

D. K.E hoop = 4K.E disc

A. 8 Kms-1

B. 8.1 Kms-1

C. 7.9 Kms-1

D. 8 ms-1

A. 3 hours

B. 6 hours

C. 12 hours

D. 24 hours

A. 42000km

B. 36000km

C. 24000 km

D. 18000 km

A. material objects only

B. material objects and electromagnetic radiation only

C. electromagnetic radiations

D. none of the above

A. 67.3°

B. 57.3°

C. 87.3°

D. 60°

A. T = πv

B. T = πw

C. T = 2πr

D. T = 2πr/v

A. along the axis of rotation

B. along the tangent

C. directed towards the centre

D. directed away from the centre

A. 180°

B. 0°

C. 90°

D. 45°