Numerical Problems 4.1 Find the resultant of the following forces: 10 N along x-axis 6 N along y-axis and 4 N along negative x-axis. (8.5 N making 45⁰ with x-axis) Solution: Fx = Net force along x-axis = 10.4 = 6 N Fy = Force along y-axis =...
Short Questions 4.2 Define the following (i) Resultant Vector (ii) Torque (iii) Centre of mass (iv) Centre of gravity Ans: Resultant Vector A resultant vector is a single vector that has the same effect as the combined effect of all the vectors to be...
Notes Q1. Can the nut of the axle of a bike be loosened with hand why we use a spanner for this purpose? Ans: No, we cannot loosen the nut of the axel of a bike. Normally we use a spanner because a spanner increases the turning effect of...
