A tray held horizontally by a waiter. The tray has a weight of 6N and supports a drink of weight 3N. The waiter provides a force at P (BTW P is at one end). The tray my pivot about point T (BTW T is 5cm away from P)
Find the force provided by the waiter at P and the upward force the hand exerts at T.
The drink is moved along the tray closer to the hand. Is the force needed at P to keep the tray horizontal now less, greater or the same? Explain your answer.
How much work is done by the waiter in lifting the tray and drink through a height of 0.60m?
i know what is moments and how to take moments but i do not know how to apply it to the question!
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