A spoon is used for eating food. Can it be considered as a simple machine? Why or why not?
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b) A wooden sheet weighs 20 stones. It is made into a box and a shell weighing 9 stones is placed in it. What is the weight of the box with the shell?
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Spoon is a kind of simple machine called lever. A lever has an arm that can move about on a point called fulcrum.
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