0. Heat
mechanical
d. Electrical
mechanical
sound
8. Carlito found that it is easier to push a cart barefooted than when he was wearing shoes along the
cemented floor. What caused this difference?
a Surface of the floor is smooth.
b. Mass of the wheelbarrow and the load
c. Friction is greater between the wheels of the cart and the shoes
d. Friction between the bare feet and the ground is greater than with shoes
NOT involve any friction?​