1. The diagram shows a mass of 50 kg on a slope which makes an angle of 30 with the horizontal. The coefficient of friction between the mass and the slope is 0.25. You may assume that the mass does not tip up. T 20 50 kg Find the magnitude of the force T if (i) the mass is about to move down the slope (ii) the mass is about to move up the slope (iii) the mass is accelerating at 5 ms-2 up the slope