Evan's Space

Wonders of Physics

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Real-life ‘roly-poly toy’ – China

Well, that’s Physics =)

Refer to this post on the concept – Balancing toy


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Double Pivots Question

A man is standing on a uniform plank of mass 20 kg and 6 m long. He is standing 1 m from the string at A.


a) Find the unknown forces FA and FB.

The man now walks to the left of A.


b) Determine the maximum distance in which the man can move before the plank topples.


a) Fa = 550 N and FB = 250 N

b) d = 0.67 m

Refer to the video tutorial for the explanation.

Click on this post for the comics on moments concepts