
2.(20 P) Determine the magnitude and direction of moments MA and MC having the force F=EN...
Determine the magnitude of the moments of the force F about the x, y, and z axes. (a) (b) Solve the problem using a Cartesian vector approach. Solve the problem using a scalar approach. 4ft 3 ft 2 ft
Determine the magnitude of the moments of the force F about the
x, y, and z axes.
a. Solve the problem using a Cartesian vector approach. Express
your answer in terms of the unit vectors i, j, and k.
b. Solve the problem using a scalar approach. Express your
answers using three significant figures separated by commas.
4 ft 3 ft 2 ft
3. Determine the magnitude of the moments of the force F about the x. y, and z axes. appre the problem (a) using a Cartesian vector approach and (b) using a scalar s ft 3 ft F (20i+ 80j-60k) lb
Determine the magnitude, direction, and point of application of
the the resultant force.
z 20 kip 10kip A 112 kip 6 kip B х D 5 Y I ft 2 ft 4 ft
What are the magnitude and direction of the force on Q4 ? 20 Q, --10 MC g = +5.0 MC la = +5.00 -0% d = 0.10 m - kay
744. Determine the end moments in the perfectly restrained beam shown in Fig. P-744. Ans. Ma = 299 lb-ft; MB-804 Ib-ft 120 lb/ft M 4000 lb.tt 6 ft -2 ft.+-2 ft Figure P-744
744. Determine the end moments in the perfectly restrained beam shown in Fig. P-744. Ans. Ma = 299 lb-ft; MB-804 Ib-ft 120 lb/ft M 4000 lb.tt 6 ft -2 ft.+-2 ft Figure P-744
4. The 20-kg crate is subjected to a force having a constant direction and a magnitude m, the crate is moving to the right with a speed o Determine its speed when s 25 m. The coefficient of kinetic friction between the crate and the ground is μ 0.25 30°
14-1. The 20-kg crate is subjected to a force having a constant direction and a magnitude F-100 N. When s = 15 m, the crate is moving to the right with a speed of 8 m/s. Determine its speed when s - 25 m. The coefficient of kinetic friction between the crate and the ground is pt = 0.25. BO
2.87
Problems55 the magnitsde and direction of the force F 2.81 A force acts at the origin of a coordinate system in a direction l by the angles 869.3 and e 57.9. Knowing that the y compo- nent of the force is -174.0 lb, determine (a) the angle ,, (b) the o components and the magnitude of the foree. 2.82 A force acts at the origin of a coordinate system in a direction defined by the angles &-70.9 and &-144.9....
A charge of 9.00 mC is placed at each corner of a square 0.170 m on a side. A) Determine the magnitude of the force on each charge.B) Determine the direction of the force on a charge.