2. In Fig. P-226 assuming counterclockwise moments as positive, compute the moment of force F 200 kg and force P = 165 kg about points A, B, C, and D. A 0.3 m mathalino.com 0.3 m Figure P-226 C. mathalino,com B.

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.