A-LevelPhysicsWork, energy and power9702/12 · Oct/Nov 2010 · Q141 Mark

A box of weight 200 N is pushed so that it moves at a steady speed along a ramp, through a height of 1.5 m. The ramp makes an angle of 30° with the ground. The frictional force on the box is 150 N while the box is moving. [Figure showing a box being pushed up a ramp. Height 1.5 m, angle 30°, weight 200 N.] What is the work done by the person?

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A150 J

B300 J

C450 J

D750 J

✓ Correct answer

D: 750 J

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Topic: Work, energy and power, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2010 Paper 1 Variant 2, question 14.

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