How much work is done by gravity in causing a 30 kg rock to tumble 40 m down a slope at an angle of 52 degrees to the vertical? (Answer: 7240) (4 marks)

For this assignment, the following must be included as part of solutions: 1) Diagram (i.e. sketch). It's recommended that angles be drawn using a protractor as part of sketch. Must include labels for vectors and angles. Remember vectors have arrowheads. 2) Equation 3) Substitution of values 4) Intermediate steps 5) Final response with therefore statement i) Round magnitudes of resultants to 1 decimal place (Note: Answers provided have been rounded to the nearest one and units are not given). ii) Round angles to nearest degree iii) Include units of measurement. If there are no units specified, use the word "units". If needed, make sure to list if it is squared or cubed.