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10. Exercises

From Mechanics

Revision as of 16:30, 16 September 2009 by Ian (Talk | contribs)
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       Theory          Exercises      


Exercise 10.1

A package with mass 300 kg is lifted vertically upwards. Find the tension in the cable which lifts the package, when the package,

a) accelerates upwards at 0.1 ms−2,

b) accelerates downwards at 0.2 ms−2,

c) travels upwards with a retardation of 0.1 ms−2.

Answer a | Answer b | Answer c | Solution a | Solution b | Solution c

Exercise 10.2

A car of mass 1 tonne travels along a horizontal road and brakes from 50 ms−1 to rest in a distance of 300 m. Find the magnitude of the braking force on the car.


Answer | Solution


Exercise 10.3

A particle of mass 5 kg slides down a smooth plane, inclined at an angle of 30.0 to the horizontal. Find the acceleration of the particle down the plane.


Answer | Solution

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