5. Exercises
From Mechanics
(Difference between revisions)
| Line 6: | Line 6: | ||
| style="border-bottom:1px solid #797979" width="100%"| | | style="border-bottom:1px solid #797979" width="100%"| | ||
|} | |} | ||
| + | |||
| + | ===Exercise 5.1=== | ||
| + | <div class="ovning"> | ||
| + | |||
| + | |||
| + | 1. A particle of mass 20 kg is at rest on a rough slope inclined at 20 to the horizontal. | ||
| + | (a) Draw a diagram to show the forces acting on the particle. | ||
| + | (b) Find the magnitude of the normal reaction force acting on the | ||
| + | particle. | ||
| + | (c) Find the magnitude of the friction force acting on the particle. | ||
| + | (d) Find an inequality that , the coefficient of friction between the | ||
| + | particle and the plane, must satisfy. | ||
| + | |||
| + | |||
| + | </div>{{#NAVCONTENT:Answer a|Answer 5.1a|Answer b|Answer 5.1b|Answer c|Answer 5.1c|Answer d|Answer 5.1d|Solution b|Solution 5.1b|Solution c|Solution 5.1c|Solution d|Solution 5.1d}} | ||
Revision as of 17:56, 9 September 2009
| Theory | Exercises |
Exercise 5.1
1. A particle of mass 20 kg is at rest on a rough slope inclined at 20 to the horizontal.
(a) Draw a diagram to show the forces acting on the particle.
(b) Find the magnitude of the normal reaction force acting on the
particle.
(c) Find the magnitude of the friction force acting on the particle.
(d) Find an inequality that , the coefficient of friction between the
particle and the plane, must satisfy.
Answer a
Loading...
Answer b
Answer c
Answer d
Solution b
Solution c
Solution d
