Rotational MotionHard
Question
A bicycle is in motion. The force of friction exerted by the ground on its wheel is such that it acts :
Options
A.in backward direction on front wheel and in forward direction on rear wheel when it is accelerating
B.in forward direction on front wheel and in backward direction on rear wheel when brakes are applied on rear wheel only
C.in backward direction on front wheel and in forward direction on rear wheel when brakes are applied on rear wheel only
D.in backward direction on both the wheels when brakes are applied on front wheel
More Rotational Motion Questions
A particle of mass m is projected with a velocity v making an angle of 45o with the horizontal. The magnitude of the ang...Two points masses of 0.3 kg and 0.7 kg are fixed at the end of the rod of length 1.4 cm and of negligible mass. The rod ...The ratio of the accelerations for a solid sphere (mass m and radius R) rolling down an incline of angle ′θ&#...A child′s top is spun with angular acceleration α = 4t3 - 3t2 + 2t where t is in seconds and α is in rad...Two rods each of mass m and length l are joined at the centre to form a cross. The moment of inertia of this cross about...