4. A 40 kg child and a 30 kg child want to balance themselves on a 4 meter, 50 kilogramn see-saw. Where should the fulcrum be placed?

asked Mar 24, 2021 191k views

3 votes

4.

A 40 kg child and a 30 kg child want to balance themselves on a 4 meter, 50
kilogramn see-saw. Where should the fulcrum be placed?

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5 votes

Answer:

The fulcrum will be at 1.83 metres

Step-by-step explanation:

Using the principle of moment

40(2-x) = 50x + 30(2 + x)

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