A string is used to pull a block of mass m vertically up by a distance h at a constant acceleration g/4. The work done by the tension in the string is?
Answers
Answered by
10
Tension = m(g + a)
= m(g + g/4)
= 5mg/4
Work done = Tension × Displacement
= 5mg/4 × h
= 5mgh/4
= m(g + g/4)
= 5mg/4
Work done = Tension × Displacement
= 5mg/4 × h
= 5mgh/4
Similar questions