The 20-N horizontal force acts on the handle of the socket wrench. What is the moment of this force about point B. 50 mm B (-1.63 k) N m (-2.32 j) N m (-4.27 j) N m (-3.36 k) N m -200 mm 20 N 10 mm

2

The rigid pipe is subject to the following loads. Neglecting the weight of the pipe, determine the moment at O. SOLVE THE FF Vector component form of 50-lb force (ANSWER: 25.000i +0j -43.30k lb) Magnitude of the resultant force (ANSWER: 78.10 lb) Position vector of the 50-lb force from point O to its point of application on the pipe. (ANSWER: -15i -10j +12k inch) Moment at point O, in vector component form. (ANSWER: 1153.01i -829.52j +250.00k lb-in)

Question 2 Find the moment of the force about each coordinate axis (x, y, and z). Then determine the moment of the force about line AO. Mx 72 Nm 2; My 3 108 Nm 6 ; Mzs 96 Nm 6 A (0,6.4)m - OR . Im B(8,0.6)m PART 1

A 30 N force acts at point A on the handle of the wrench. If the force lies on the x-y plane what will be the magnitude of the moment of this force about z-axis?

An 800-lb force is applied to a lever-shaft assembly as shown in Fig. 4-22. Determine the magnitude of moment about point O 32.5 in. 40.0 in. 27.5 in. 35.0 in.

Determine the moment of the force about point O. Neglect the thickness of the member. Assume F = 60 N. Sign convention applies for the answer (positive is anti-clockwise). F -100 mm- m - 1600 45° 200 mm Answers: (a) -13.5 Nm (b) 13.5 Nm (c) 12.0 Nm (d) -12.0 Nm -100 mm-

45° F = 80 lb 3 ft 7 ft X B Z 1.5 ft A oo 100 4 ft 1.5 ft 5 ft D 1 Compute the moment of the force about the axis AB

change the force F to {30i+40j+80k} lb

Given: F1={9 i - 9 j+ 10 k}lb F2={-10 i+10 j+ 10 k}lb Find: the Magnitude of the Resultant moment in (Ib.ft) generated by the forces about point O. 4 ft 5 ft 3 ft