ws (b) (i) State the formula linking moment, force and perpendicular distance from the pivot, (ii) The weight of the metal block is 0.68 N. Show that the moment of the weight of the metal block about point P is approximately 2.9 Ncm. (iii) Force F is applied to the metal block to stop it from moving. Calculate the magnitude of force F.

Animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. reactivate d) a dog is getting hot in the sunlight, so he moves to a shaded area.