PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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The man pulls on the rope with a force of F = 20 N.
Determine the moment of this force about the base of
the pole at O. Solve the problem two ways, i.e., by using a
position vector from O to A, then O to B.
B
1.5 m
3 m
F
4 m
10.5 m
The pipe assembly is subjected to three forces of F1 = {3.00, 4.00, -2.00} kip, F2 = {0, 0,-4.00} kip, and F3 = {-3.00, 0, 0} kip. Determine the sum of the moment of the forces
1) about x-axis (the unit vector of x is i) and
2) about line AC. Express the result as a Cartesian vector.
In steadily turning the water pump, a person exerts the 120-N force on the handle as shown. Determine the moment of this force about point O.
Ans. Mo = 14.74 N m CW %3D
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- Determine the moment of the force F about point P. Express the result as a Cartesian vector.arrow_forwardThe wrench is used to loosen the bolt. Determine the moment of each force about the bolt’s axis passing through point O.arrow_forwardThe towline exerts a force of P= 4 kN at the end of the 20-m-long crane boom What is the magnitude of the maximum moment about point O? Is the direction clockwise or counterclockwise? If θ = 32 ∘ , determine the placement x of the hook at A so that force P creates a maximum moment about point O.arrow_forward
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