1450.4 newtons has to be applied so the object can move , because At average gravity on Earth (conventionally,g = 9.80665 m/s2), a kilogram mass exerts a force of about 9.8 newtons. An average-sized apple exerts about one newton of force, which we measure as the apple's weight.
Are breathing hard. This is because cardiovascular exercise makes the heart beat faster which in turn creates a need for more air.
Yellow has the lowest density. I took the test and got this question correct. :)