Two forces act simultaneously on a block lying on a smooth horizontal table.
PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
Two forces act simultaneously on a block lying on a smooth horizontal table.
(i) The first force has magnitude 25N and is applied at 40∘ above the positive x-axis. Express this force in unit-vector component form.
(ii) The second force is given directly in components as F2=−12i^+18j^N. Determine the x and y components of the resultant force acting on the block.
(iii) Calculate the magnitude and direction (angle with the positive x-axis, measured anticlockwise) of the resultant force obtained in part (ii).