A box, with a mass of 45 kg, is pulled with a force of 90 N at an angle of 50º to thehorizontal. The box moves at a CONSTANT VELOCITY. 3.1 Define the term kinetic frictional force. (2) 3.2 State Newton’s First Law of Motion in words. (2) 3.3 Calculate the magnitude of the horizontal … Read more
Two forces, of magnitudes 50 N and 80 N, act at a point on a Cartesian plane in thedirections shown in the sketch below. 2.1 Give the correct term for the following description: A single vector having the same effect as two or more vectors together (1) 2.2 Calculate the: 2.2.1 Magnitude of the vertical … Read more
Various options are provided as possible answers to the following questions. Choosethe answer and write only the letter (A–D) next to the question numbers (1.1 to 1.10) inthe ANSWER BOOK, e.g. 1.11 D. 1.1 Two forces, F1 and F2, act on a point. If F1 and F2 act in the same directionthe maximum resultant has … Read more