Question: Explain why tension in the string does no work, explain why the Normal force does no work on an object sliding down the ramp, give

Explain why tension in the string does no work, explain why the Normal force does no work on an object sliding down the ramp, give an example of a situation where tension does do work on an object, give an example of a situation where friction does positive work on something

1. We saw in class that in a pendulum the string does no work. We also saw that the normal force does no work on an object sliding down a ramp. (a) Explain why the tension in the string of a pendulum does no work. (b) Explain why the normal force does no work on an object sliding down a ramp. (0) Give an example of a situation where tension does do work on an object. (d) Give an example of a situation Where friction does positive work on something

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