1) A food server is holding a 2 kg food tray as shown. Estimate the torque...

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Physics

1) A food server is holding a 2 kg food tray as shown. Estimatethe torque with respect to an axis through his shoulder exerted bythe force of the tray on his hand. Explain.
[Note that I am not asking you for the nettorque, just the torque from one force (the tray pushing on hishand).]
2)You can probably stand flatfooted on the floor and then riseup and balance on your tiptoes. Why are you unable to do this ifyou stand so your toes are touching a wall? (Try it!) Use physicsfrom this chapter to explain.
3)When a ladder leans against a wall (and stays put) there areat least 4 forces on the ladder.
a) Describe them, including the object causing the force and theobject the force acts on.
b) If you lean the ladder down too low it will slide and fall.Describe why this occurs in good physics terms

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4.2 Ratings (568 Votes)

1 I need to see the figure to answer this question and you have not shared one Share the figure and Ill try to answer your question 2 When you are standing flatfooted on the floor and then rise up and try to balance the weight of your body on your tiptoes you are actually positioning the centre of gravity of your body See Answer

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