9. Exercises
Förberedande Mekanik
(Skillnad mellan versioner)
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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}} | ||
Versionen från 14 september 2009 kl. 15.27
| 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
Hämtar...
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
