A man balances himself in a horizontal position by pushing his hands and feet against two parallel walls .(see figure of Q.no ). His centre of mass lies midway between the wall s . The coefficients of friction aat the walls are equal . Which of the following is not correct ?

Options

A. He exerts equal forces on the walls .
B. He exerts only horizontal forces on the walls.
C. The forces of friction at the walls are equal,
D. The forces exerted by the walls on him are not horizontal.

Answer

B