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Q. If a man pushes a lawn mower on a level lawn with a force of 200N. if 40% of the force is directed downward,how much work is done by the man in pushing the mower 6 m?

Q. A 0.2 object is swung in a vertical circular path on a string 0.1 m long. The acceleration of gravity is 9.8 m/s^2. If a constant speed of 4.07 m/s is maintained, what is hte tension in the string when the object is at the top of the circle? Answer in units of N.

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