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A dinner tray weighs .250 kg and is 75 cm long. There are two masses on...

A dinner tray weighs .250 kg and is 75 cm long. There are two masses on the said dinner tray. Mass one is 45 cm from the left and weighs 1kg. Mass two is 65 cm from the left and weighs .450 kg. you grip the tray on the left side with your thumb located 3 cm from the left and your fingers underneath at 6cm from the left. Find the torque exhibited by your thumb on the tray as well as the force applied by your fingers on the underside.

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