A child sits to the left of the pivot on a massless seesaw

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

60\,\text{kg}

child sits

1.5\,\text{m}

to the left of the pivot on a massless seesaw. At what distance to the right of the pivot should a

40\,\text{kg}

child sit so that the seesaw remains level? (a)

1.0\,\text{m}

(b)

3.75\,\text{m}

(c)

2.25\,\text{m}

(d)

0.75\,\text{m}