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The force P on the handle of the positioning lever produces a vertical compression of 56 lb in the coiled spring in the position shown. Determine the magnitude of the corresponding force exerted by the pin at O on the lever. Assume a = 3.4 in. b = 8.6 in. P b. Answer

the tree feller cuts off large trees near ground level and then continues to grasp the trunk. Determine the force in hydraulic cylinder AB for the position shown if the tree weighs 6000lb. Determine the required pressure on the 4.72-in.-diameter piston of the cylinder. draw the free body diagram

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The force P on the handle of the positioning lever produces a vertical compression of 56lb in the coiled spring in the position shown. Determine the magnitude of the corresponding force exerted by the pin at O on the lever. Assume a = 3.4in. b = 8.6in.

2.0 m 100 kg 2.0 m 0.5 m 1.5 m 1.5 m The pulley at E is frictionless. Point B is a pinned connection; support A is a fixed support. The pin at C is in a smooth slot. s in: Determine the magnitude of of the x-component of the reaction force at A, Ax= N. Determine the magnitude of of the y-component of the reaction force at A, Ay= N. Determine the magnitude of of the external moment applied at A, MA= Nm. O O :

Two men exert forces F and P on the ropes. If P = 48 Ib, what is the required force F to maintain equilibrium? Supply the answer in pounds. 6 ft 12 ft

Rod XY and smooth surface O hold the 1600-N cylinder in equilibrium as shown. Find the force Q exerted by the rod and the normal force Nexerted by the smooth surface on the cylinder.Ignore the weight of the rod XY.

2.0 m 100 kg 2.0 m 0.5 m 1.5 m 1.5m The pulley at E is frictionless. Point B is a pinned connection; support A is a fixed support. The pin at C is in a smooth slot. Determine the magnitude of normal force the pin C exerts on the smooth slot, = N. Determine the magnitude of of the y-component of the reaction force at B, By= . N. Determine the magnitude of of the x-component of the reaction force at B, Bx= N. O O :

GIVEN: W= 595 N GIVEN: ANGLE A= 44 DEGREE GIVEN: ANGLE B= 14 DEGREE ANSWER: SOLVE (A) IN UNIT CM SOLVE (B) IN UNIT N-CM SOLVE (C) IN N-CM PLS SHOW COMPLETE SOLUTION AND WRITE LEGIBLY AND SHOW THE FREE BODY THE DIAGRAM

The electric power transmission tower supports two wires that apply 18 kN vertical forces, and the 36 kN horizontal force crudely models wind loading during a storm. Use the method of sections to determine the force in members IF, IM and BD. -2.4 m-- 6 m -2.4 m- M 1.2 m TH 18 kN 3.7 m 18 kN 36 kN G 3.7 m C D 3.7 m 1.5 m 1.5 m B.