Question

In order to have maximum mechanical advantage :

विकल्प

• The moving parts of machine should be as light as possible

• The friction between the movable parts should be as small as possible

• The moving parts of the machine should be as light as possible and the friction between the movable parts should be as small as possible.

• none of these

Answer 1

The moving parts of the machine should be as light as possible and the friction between the movable parts should be as small as possible.

Explanation:

Light moving parts and low friction reduce the effort wasted in moving the machine and overcoming friction. This helps the machine achieve maximum mechanical advantage.