2/37 A man uses a crowbar to lift the corner of a hot tub for maintenance purposes. Determine the moment made by the 350-N force about point O. Neglect the small thickness of the crowbar.

5. Determine the moment about point B for each of the individual three forces acting on the beam, and indicate their directions. F1 = 400 lb F2 = 450 lb %3D B. 0.5 ft 8 ft 7 ft 6 ft 30° F3 = 150 lb

Calculate the moment about point O of the 200-lb force that lies in the X-Y plane shown below. Solve the force into rectangular components at point M. X(-)- Fy Y(+) Y(-) 2'-0" M F 3'-0" 30° F = 200 lb X(+)

Throught Scalar analysis where F is the scalar component. Determine the Vector momnent fromed by the Force F on the Point of O determine the magnitude of the moment

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.

Calculate the moment of the 90-N force about point o for the condition 30°,from the following Answers which of them is correct : 0 800 mm F = 90 N 600 mm

if F= 300 lb, determine the resultant couple moment

QI: The 120-N force is applied as shown to one end of the curved wrench. If a= 55°, calculate the moment of Fabout the center O of the bolt. F=100N 70 25 mm L. 150M 25 mm mm mm

The caster unit is subjected to the pair of 75-lb forces shown. Determine the moment associated with these forces. The moment is negative if clockwise. positive if counterclockwise, 1.4" 75 lb lb-in. 75 lb Answer: M = i

Q3/ The 30-N force P is applied perpendicular to the portion BC of the bent bar. Determine the moment of P about point B and about point A (in two different ways). P = 30 N C 1.6 m 45° 1.6 m