Category: Circular Motion

A. 3 hours
B. 6 hours
C. 12 hours
D. 24 hours

A. 67.3°
B. 57.3°
C. 87.3°
D. 60°

A. mg
B. mg – ma
C. mg + ma
D. mg – ma

A. Einstein
B. Galileo
C. Newtons
D. Plank

A. πR
B. 2π R
C. 0
D. 4πR

WA. 180°
B. 0°
C. 90°
D. 45°

A. Mass of the jumper
B. Height of jump
C. Angle of projection
D. None

A. 4 rad. S-1
B. 5 rad. S-1
C. 1.6 rad. S-1
D. 2.8 ms-1

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. the centripetal force upon him is less than limiting friction
B. the centripetal force upon him is greater than limiting friction
C. the centripetal force upon him is equal to the limiting friction
D. the friction between the tyres of the cycle and road vanishes