A large piano that weighs 4100 n is to be moved into a
A large piano that weighs 4100 N is to be moved into a house by way of an opening that is 1.5 m from the ground. If the movers use an 18 m plank as an incline and a force of 600 N, what is the ideal mechanical advantage?
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a large piano that weighs 4100 n is to be moved into a house by way of an opening that is 15 m from the ground if the
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The purpose is to examine the psychological factors affecting how teenagers in an impoverished urban area spend their time outside of school using:
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