Q7. (a) equal to (b) weight = 85 x 9.8 weight = 833 (N) allow weight = 830 (N) an answer of 833 (N) or 830 (N) scores 2 marks (c) work done = 833 0.63 = allow their calculated value from part (b) x 0.63 work done 525 (J) allow an answer that is consistent with their calculated value from part (b) an answer that rounds to 525 (J) scores 2 marks www. (d) work done = = 0 (J) (e) force = 62 11 force = 682 (N) allow force = 680 (N) an answer of 682 (N) or 680 (N) scores 2 marks www