(a) A removalist applied a constant horizontal force of 545 N and does 4218 J of work to move a box on a flat surface. How far was the box

moved?(2 marks) (b) If the removalist applies a constant force of 528 N at an angle of 15 above the horizontal to move the box 7.82 metres across a flat surface, How much work was done on the box?(2 marks)