Question

A body shop uses a simple truss to straighten the bumpers of cars. The truss utilizes a winch (not shown) at Pin A which pulls on a cable attached to the bumper. The angle at Pin A is 90 degrees, 30 degrees at Pin B, and 60 degrees at Pin C. If the force exerted on the bumper is 1795.5 lbs Pins B and Care bolted to the floor so the truss does not slide forward and each bolt exerts a force of 897.8 lbs on their respective pins (i.e. Each bolt exerts half the cable force.) Humper Pin

Answer 1

FR Bumper 1795.5 16s, во , " | Bumper 1.8978 165 897-8 lbs Toote os 1897.8 6S, At pin B.. FB:D 1897.8165 effores 270417300 BA: 270 Apply lam's theorem 89708 - Sin 30 2 IBA . - - Sio 270 FBC Sin 60 Bc = 897.8 Sin30 x singo Fec 15557035 lbs / So, strey on Bear BC 1 Foc - 1555.035 lbs)