WORK PHYSICS

a) How much work is done on a 750 kg load of bricks by a bricklayer if he carried the bricks upward to a height of 8.2 m to repair a chimney?

b) If the bricklayer used a mechanical lift that does 2000 J of work what mass could it lift?

c) How much power does the lift use if it does it in 12 s?