Determine how much work is done

Reference no: EM13318319

1) Two children of weight 200 N (left) and 250 N (right) sit at opposite ends of a seesaw that is 10 m long. At what point from left side should it be supported to achieve balance?

2) A force of 15 N acting at an angle of 25 degrees to the horizontal is used to pull a box a distance of 5 m across a floor. How much work is done?

3) A 0.5 kg mass is attached to the end of a 1 m string. The systems whirled in a horizontal circular path. If the maximum tension that the string can withstand is 350 N, what is the maximum speed of the mass if the string is not to break.

Reference no: EM13318319

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