3 Answered Questions for the topic Moment


Force on the biceps when throwing an object in the air

A waiter holds two plates of food in one hand. His forearmhas a mass of 2.2 kg and the centre of mass of his forearm is located 13 cm from his elbow joint. The centre of mass of the two plates is... more


How can a bowling ball curve in both directions?

There is a popular video on facebook that I just don't understand. A man spins a bowling ball very fast then slightly taps it down the lane. Somehow it does half of a figure eight, curving around... more

equilibrium of turning moments


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