(A) : Heavy boxes are loaded along with empty boxes on a cart. Heavy boxes should be kept at the centre of gravity of the cart, form more stability.
(R ) : The vertical line passing through the centre of gravity should fall within the base of cart for stability.

Options

A. Both 'A' and 'R' and true and 'R' is the correct explantation of 'A'
B. Both 'A' and 'R' and true and 'R' is not the correct explantation of 'A'
C. A' is true and 'R' is false
D. A' is false and 'R' is true

Answer

A