Question

A sphere is rolling without slipping on a fixed horizontal plane surface In the figure, A is the point of contact. B is the centre of the sphere and C is its topmost point. Then,

• A. $V_C-V_A=2(V_B-V_C)$
• B. $V_C-V_B=V_B-V_A$
• C. $|V_C-V_A|=2|V_B-V_A|$
• D. $|V_C-V_A|=4|V_B|$

Answer 1

Answer: (C)

$|V_C-V_A|=2|V_B-V_A|$

Answer 2

$v_A = 0, v_B = v$ and $v_C = 2v$