During a storm, a tree limb breaks off and comes to rest across a barbed wire fe
ID: 2161323 • Letter: D
Question
During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 256 N on the wire. The left section of the wire makes an angle of 11.8 ? relative to the horizontal and sustains a tension of 470 N. Find the (a) magnitude and (b) direction (as an angle relative to horizontal) of the tension that the right section of the wire sustains.
(a) Number ? Units ?
(b) Number ? Units ?
During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 256 N on the wire. The left section of the wire makes an angle of 11.8 ? relative to the horizontal and sustains a tension of 470 N. Find the (a) magnitude and (b) direction (as an angle relative to horizontal) of the tension that the right section of the wire sustains. (a) Number ? Units ? (b) Number ? Units ?Explanation / Answer
Tlcos@l=Tcos@............. equillibrium along x Tsin@+Tlsin@l=256 460=Tcos@ Tsin@=159.8 squaring and adding T=487 N And dividing @=19.15 degree
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