Farmer bob decides to use a compound pulley to raise a box up to the top of his barn. what is the purpose of using a simple machine in this case? a) to reduce the amount of friction b) to reduce the distance the box has to travel c) to reduce the amount of work needed to lift the box d) to reduce the amount of force needed to lift the box
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Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae
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Farmer bob decides to use a compound pulley to raise a box up to the top of his barn. what is the pu...
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