Where should he place a block of wood to act as the fulcrum
A steel rod 2.00 m long is to be used to pry up one end of a 400-kg crate. If a workman can exert a downward force of 400 N on one end of the rod, where should he place a block of wood to act as the fulcrum?
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Draw a diagram of the same problem above. if the bullet passes through the wood and continues at 100 m/s east, what is the velocity of the block of wood?
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