9. Exercises
From Mechanics
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</div>{{#NAVCONTENT:Answer a|Answer 9.2a|Answer b|Answer 9.2b|Answer c|Answer 9.2c|Solution a|Solution9.2a|Solution b|Solution 9.2b|Solution c|Solution 9.2c}} | </div>{{#NAVCONTENT:Answer a|Answer 9.2a|Answer b|Answer 9.2b|Answer c|Answer 9.2c|Solution a|Solution9.2a|Solution b|Solution 9.2b|Solution c|Solution 9.2c}} | ||
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| + | ===Exercise 9.3=== | ||
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| + | A bicycle moves with a constant velocity along a straight horizontal road. If the forward force which the cyclist exerts by pedalling is 28 N, what is the magnitude of the resistive force acting on the bicycle and cyclist ? | ||
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| + | </div>{{#NAVCONTENT:Answer|Answer 9.3|Solution|Solution 9.3}} | ||
Revision as of 15:27, 14 September 2009
| Theory | Exercises |
Exercise 9.1
A parachutist is falling vertically at a constant speed. He has mass 80 kg. Find the magnitude of the upward force acting on the parachute.
Answer
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Solution
Exercise 9.2
Each of the bodies shown below are moving with a constant velocity. Use this to find P and Q.
Answer a
Answer b
Answer c
Solution a
Solution b
Solution c
Exercise 9.3
A bicycle moves with a constant velocity along a straight horizontal road. If the forward force which the cyclist exerts by pedalling is 28 N, what is the magnitude of the resistive force acting on the bicycle and cyclist ?
Answer
Solution
