How much work do the students do on the car

Reference no: EM13496543

Together, two students exert a force of 640 N in pushing a car a distance of 30 m.

(a) How much work do the students do on the car?

(b) If the force was doubled, how much work would they do pushing the car the same distance?

An airplane passenger carries a 240 N suitcase up the stairs, a displacement of 4.30 m vertically, and 4.70 m horizontally.
(a) How much work does the passenger do?

(b) The same passenger carries the same suitcase back down the same stairs. How much work does the passenger do now?

Reference no: EM13496543

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