A car of mass 1550 kg coasts down a hill inclined at an angle 5.000. The car is acted on by three forces: (i) the normal force exerted by the road, (ii) a force of 15.0 N due to air resistance, and (iii the force of gravity. (a) Draw a free-body diagram, showing normal force, air resistance and components of force of gravity. If the car travels a distance 20.4m. (b) What is the work done on the car by normal force? (c) Find work done on the car by two components of force of gravity.

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Chapter1: Units, Trigonometry. And Vectors
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A car of mass 1550 kg coasts down a hill inclined at an angle 5.000. The car is acted on by
three forces: (i) the normal force exerted by the road, (ii) a force of 15.0 N due to air
resistance, and (iii) the force of gravity.
(a) Draw a free-body diagram, showing normal force, air resistance and components of force
of gravity.
If the car travels a distance 20.4m.
(b) What is the work done on the car by normal force?
(c) Find work done on the car by two components of force of gravity.
(d) Calculate work done by air resistance.
mg
Transcribed Image Text:A car of mass 1550 kg coasts down a hill inclined at an angle 5.000. The car is acted on by three forces: (i) the normal force exerted by the road, (ii) a force of 15.0 N due to air resistance, and (iii) the force of gravity. (a) Draw a free-body diagram, showing normal force, air resistance and components of force of gravity. If the car travels a distance 20.4m. (b) What is the work done on the car by normal force? (c) Find work done on the car by two components of force of gravity. (d) Calculate work done by air resistance. mg
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