1(i)
A heavy object and a light object are placed on a seesaw. Which arrangement produces the maximum turning effect about the pivot?
- (a)Both objects near the pivot on opposite sides.
- (b)Heavy object close to the pivot; light object at the far end on the opposite side.
- (c)Light object close to the pivot; heavy object at the far end on the opposite side.
- (d)Both objects at the ends of the seesaw, on opposite sides of pivot.
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Light object close to the pivot; heavy object at the far end on the opposite side.
Reason — Moment = force × perpendicular distance from the pivot. This arrangement maximises the heavy object’s moment and minimises the opposing moment of the light object.