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Newton's Laws of Motion

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While constructing a space platform a 116kg robot finds itself standing on a 24m long 205 kg steel beam that is motionless with respect to the platform. Using its magnetic feet it walks along the beam traveling south at 2.45m/s. What is the velocity of the beam with respect to the platform as the robot walks?

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The expert examines Newton's Laws of Motion.

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By Newton's Third Law of motion, for every action, there is an equal and opposite reaction. ...

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