A crow bar having a length of 2.5m is used to balance a load of 750N. if the distance between the fulcrum and the load is 2m, CALCULATE. EFFORT, MA, VR,. n

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

you get 2.3=1.21*\frac{a}2 or 4.6=1.21a or a=3.802 (b)

explanation: