Homework Answers
Angle of force F with horizontal,
= 90 - 60 = 30 deg
Moment of F about point A,
M1 = -125 cos 30 * 3
M1 = 324.75 lb.in
Moment of P about point A,
M2 = [P cos (90 - 20) * 1.5] + [P sin (90 - 20) * 14]
M2 = 13.668 P
Net moment about A = 0
so, M1 - M2 = 0
324.75 - 13.668 P = 0
P = 324.75 / 13.668
P = 23.76 Ib
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DO NOT ATTEMPT TO ANSWER IF YOU ARE NOT AN EXPERT, AVOID
BEING REPORTED, ONLY ANSWER IF YOU TRULY KNOW WHAT YOU ARE DOING
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Learning Goal: To calculate torsional deformation and shear stress due to an applied force in a...
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In order to pull out the nail at B, the force F exerted on the
handle of the hammer must produce a clockwise moment of 500 lb*in.
about point A. Determine the required magnitude of force
F.
30° 5 in. 18 in.
Learning Goal: To determine the maximum shear force that can be applied to two shafts of varying cross sections: a solid square shaft and a hollow square shaft. The two square cross sections shown below (Figure 1) are each subjected to a vertical shear force, V. The side length of each cross section is s = 6.00 in and the side length of the hollowed- out portion of the second cross section is r = 2.25 in. The maximum allowable...
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Learning Goal: To calculate torsional deformation and shear stress due to an applied force in a door handle design. A locked door handle is composed of a solid circular shaft AB with a diameter of b = 101 mm and a flat plate BC with a force P = 77 N applied at point C as shown. Let c = 473 mm, d = 126 mm, and e = 148 mm (Treat the handle as if it were a cantilever...
To calculate the resultant couple and force at a point for a
given force and couple system.
Two forces F1F1F1 = 75 NN and F2F2F2 = 255 NN and two moments
M1M1M1 = 100 N⋅mN⋅m and M2M2M2 = 50 N⋅mN⋅m act on the beam as shown
in (Figure 1).
DO NOT ATTEMPT TO ANSWER IF YOU ARE NOT AN EXPERT, AVOID
BEING REPORTED, ONLY ANSWER IF YOU TRULY KNOW WHAT YOU ARE DOING
AND ARE AN EXPERT IN THE SUBJECT!...
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