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Confusingmeh
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Homework Statement
An adult exerts a horizontal force on a swing that is suspended by a rope of length L, holding it at an angle [tex]\Theta[/tex] with the vertical. The child in the swing has a weight W and dimensions that are negligible compared to L. The wights of the rope and of the seat are negligible.
In terms of W and [tex]\Theta[/tex] , determine:
a) the tension in the rope
b) the horizontal force exerted by the adult
The adult releases the swing from rest. In terms of W and [tex]\Theta[/tex] determine:
c) the tension in the rope just after the release (the swing is instantaneously at rest)
d) the tension in the rope as the swing passes through its lowest point
Homework Equations
The Attempt at a Solution
ok so I am trying to check if I'm right for these problems...
a) T = W + W(tan[tex]\Theta[/tex])
b) F = W(tan[tex]\Theta[/tex])
c) T = W + W(tan[tex]\Theta[/tex])
d) less sure about this one teacher emailed and said we didnt have do it because we havnt learned this yet but i got:
T = W + m(19.8{tan[tex]\Theta[/tex]}{([tex]\Theta[/tex] 2 [tex]\pi[/tex])/(360)})