Guest

Find the distance travelled by the block. If the coefficient of friction vary as μ=cx. Please see image

Find the distance travelled by the block. If the coefficient of friction vary as μ=cx. Please see image

Question Image
Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
Net Force on block = > 
F – uMg = Ma
F = M[cgx + vdv/dx]
vdv = Fdx/M  –  cgxdx
integerating both sides,
v^2/2 = Fx/M -cgx^2/2
v = root(2xF/M – cgx^2)
 
v would be zero at last.
hence, 2F/M – cgx = 0
or x = 2F/cgM

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free