Physics, asked by ao8900718, 1 year ago

A string is used to pull a block of mass m vertically up by a distance h àt a constant acceleration g/4 . the work done by the tension in string is..?

Answers

Answered by chipya

0

The work done by the string is potential energy of the block required to take the block against gravity to that height.

Hence work done = mgh

Work is mgh/4

.

Previous Question

Next Question

Similar questions

Science, 7 months ago

where is the alimentary canal are the villi located...

History, 7 months ago

(ii) “I didn’t want to worry you when you were trying to save us all,” said Sue. What has happened to her? What does it reveal about her?

Social Sciences, 7 months ago

मृदा का निर्माण किस प्रक्रिया से होता है...

Science, 1 year ago

what is compuond??????

English, 1 year ago

what is smile.................

Physics, 1 year ago

using dimensions show that 1 joule is equal to 10 raised to 7 erg...

Math, 1 year ago

in what ratio does the x- axis divide the line segment joining the points (-4,-6) and (-1,7) ? Find the coordinates of the point of the division...

Math, 1 year ago

if alpha and beta are the zeroes of the quadratic polynomial f{x}=2x^2+5x+k such that alpha^2+beta^2+alpha×beta=21÷4.find the value of k.