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1-15-14

An 80 kg mass is standing in an elevator on a set of bathroom scales calibrated in newtons. Suppose the elevator accelerates downward at 3.0 m/s 2. What reading will the scales have?.

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1-15-14

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  1. An 80 kg mass is standing in an elevator on a set of bathroom scales calibrated in newtons. Suppose the elevator accelerates downward at 3.0 m/s2. What reading will the scales have?

  2. A train engine with mass 2000 kg is pulling 3 cars whose mass is 500 kg each. If the force the engine exerts on the cars is 400 n, what is the force between the second and third cars?

  3. Find the acceleration of the system and the force between the 1.0 and 1.5 kg cars and the 1.5 and 0.5 kg cars. Find the acceleration of the system and the force between the 1.0 and 1.5 kg cars and the 1.5 and 0.5 kg cars.

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