Asked by Dogy dogy🐕
a body x mass of 0.2kg moving vertically upwards has its velocity increased uniformly from 10m/s to 40m/s in just 4 sec.
neglecting air resistance, calculate the upward cervical force acting on the body
neglecting air resistance, calculate the upward cervical force acting on the body
Answers
Answered by
Damon
let up force = f
then
f - mg = ma
f = m(a+g)
a = change in velocity / change in time = 30/4 = 7.5
f = .2(7.5+ 9.8)
then
f - mg = ma
f = m(a+g)
a = change in velocity / change in time = 30/4 = 7.5
f = .2(7.5+ 9.8)
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