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This topic is all about "EQUILIBRIUM OF CONCURRENT FORCES VECTOR ADDITION": OBJECTIVES (1) To study the equilibrium of a body under the action of concurrent forces, and (2) to use analytical and graphical methods in the solution of problems in static. APPARATUS [ force table (complete with centering pin), cords, ring, pulleys, weight hangers with slotted weights, small builder's level, protractor, ruler, graphing paper.
The questions are:
1. List three practical examples from industry in which coplanar concurrent forces in equilibrium are involved. Why is the study of forces in equilibrium (static) so important to construction engineering?
2. By means of a simple sketch show how coplanar concurrent forces are involved in bridge trusses and roof trusses.
And if possible, can you give me a conclusion and observation?
A rubber-band slingshot shoots a 25g stone. When answering 2a below, remember that Ep=1/2kx^2 and, because F=kx, Ep=1/2Fx. a) What is the initial speed of the stone if the rubber band is drawn back 0.15 m with a maximum force of 27 N?
Two spherical objects have a combined mass of 190 kg. The gravitational attraction between them is 8.26×10?6 N when their centers are 17.0 cm apart. What is the mass of the heavier object
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A spring and block are in the arrangement of Fig. When the block is pulled out to x = + 4.0cm, we must apply a force of magnitude 360 N to hold it there. We pull the block to x = 11 cm and then release it. How much work does the spring do on the b..
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What magnitude of maximum force
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