Determine the force F and the angle a required to hold the linkage in the position
Force F and angle
Answer to Problem 10.19P
The force F is equal to
Explanation of Solution
Virtual work
In above equation:
Virtual displacement
In above equation:
Calculation:
The length
The virtual displacement
The length
The virtual displacement
The length
The virtual displacement
The length
The virtual displacement
Virtual work
We know that:
Therefore:
Substitute:
Solve above equations:
The magnitude and angle
Conclusion:
The force F is equal to
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Chapter 10 Solutions
International Edition---engineering Mechanics: Statics 4th Edition
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- The 1200-lb homogeneous block is placed on rollers and pushed up the 10 incline at constant speed. Determine the force P and the roller reactions at A and B.arrow_forwardThe 14-kN weight is suspended from a small pulley that is free to roll on the cable. The length of the cable ABC is 20 m. Determine the horizontal force P that would hold the pulley in equilibrium in the position x=5m.arrow_forwardThe three bars are welded together to form a rigid unit that is supported by three slider bearings. Neglecting the weights of the bars, determine the magnitudes of the three bearing reactions caused by the 120-lbin. couple.arrow_forward
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- If the box shown has a mass of 10 kg, determine the couple moment M needed to maintain equilibrium when θ = 60°. Neglect the mass of the members.arrow_forwardThe wall crane supports a load of 700 lb. Determine the horizontal and vertical components of reaction at the pins A and D. Also, what is the force in the cable at the winch W?arrow_forward
- International Edition---engineering Mechanics: St...Mechanical EngineeringISBN:9781305501607Author:Andrew Pytel And Jaan KiusalaasPublisher:CENGAGE L