A. Gravitational force
B. Frictional force
C. Coulomb force
D. Centripetal force
A. Mass of the jumper
B. Height of jump
C. Angle of projection
D. None
A. Maximum
B. Zero
C. Equal to the weight of the stone
D. Less than the weight of the stone
A. mV/r2
B. mV/r
C. mV2/r
D. mV2/r2
A. Maximum work
B. Minimum work
C. Negative work
D. No work
A. Mass of a body
B. Velocity of body
C. The tension in the string
D. Centripetal acceleration
A. a = a x r
B. a = r x a
C. a = a x r
D. r = a x a
A. π radian
B. 2π radian
C. π/2 radian
D. 4π radian
WA. 180°
B. 0°
C. 90°
D. 45°
A. along the axis of rotation
B. along the tangent
C. directed towards the centre
D. directed away from the centre