Question

A boy of mass 30 kg is sitting at distance of 2 m from the middle of see-saw. The moment of force generated by the boy is:

Options

• 60 kgfm

• 60 kg-m

• 6000 g-m

• none of these

Answer 1

60 kgfm

Explanation:

The boy’s weight is 30 kgf.

Moment of force = Force × Perpendicular distance.

= 30 kgf × 2 m

= 60 kgfm