Chemistry: Movers want to raise a heavy crate onto a platform. the platform is 3 meters (m) above the ground. the movers do not have enough force to push the crate up the ramp shown in the diagram. which solution will best allow the movers to achieve their goal? a) change the width of the ramp from 4 meters to 3 meters. b) change the length of the ramp from 4 meters to 5 meters. c) change the height of the ramp from 3 meters to 4 meters. d) change the length of the ramp from 3 meters to 2 meters.

Movers want to raise a heavy crate onto a platform.

Ответ:

boog89

01.10.2020

I would say B(make the ramp longer). That way they will have to exert less force in order for it to the desired height. If you think about it, it is harder to go up a really steep hill vs. a hill with a gradual incline, because you have to exert less force at any one given time.