How much work would it take to push a # 14 kg # weight up a # 2 m # plane that is at an incline of # pi / 6 #?

↳Redirected from "Find the limit as x approaches infinity of #xsin(1/x)#?"
1 Answer
Gió
Aug 4, 2018

I got: #137.2J#

Explanation:

Consider the diagram:

enter image source here

with #d=2m#.

The work #W# will be done against gravity (the weight #mg# of the object) to reach the eight: #h=2sin(pi/6)# (from trigonometry);
so we get:

#W=mg*h=(14*9.8)*(2sin(pi/6))=137.2J#

Related questions
See all questions in Work
Impact of this question
2114 views around the world
You can reuse this answer
Creative Commons License