Chapter 4, Problem 161P

Determine the required load w and dimension d of the right support so that the resultant force and couple moment about point A of the system 3 25 are both zero. 200 N/m 0.5 m 3 m 75 N/m 0.5 m -d 3 m-

FInd the moment of the 25 lb force about point B.

The 30N force P is applied perpendicular to the portion BC on the bent bar . Determine The moment of P about point B and about point A.

Show the solution.

Determine the moment of force F about point O. Express the result as a Cartesian vector. Assume F= 170 lb. what is Mo ib*ft?

8. Determine the resultant moment produced by the forces about point O. F 200 lb oft 30 30 F= 300 lb

Determine the moment of the force about point O. 4 ft PO 3 ft 450 -1 ft- 600 lb

The 30-N force Pis applied perpendicularly to the portion BC of the bent bar Determine the moments of P about point 8 and about point 4. P= 30N 16 m 45 16 m defined

The railway crossing gate consists of the 100-kg gate arm having a center of mass at Ga and the 250- kg counterweight having a center of mas at GW. Determine the magnitude and directional sense of the resultant moment produced by the weights about point A. G₁ 2.5 m 0.75 m + Gw 0.5 m 0.25 m 1'm