10. Exercises - Versionshistorik

Ian den 17 september 2009 kl. 13.59

2009-09-17T13:59:30Z

← Äldre version		Versionen från 17 september 2009 kl. 13.59
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	{{Not selected tab\|[[10. Newton’s second law\|Theory]]}}		{{Not selected tab\|[[10. Newton’s second law\|Theory]]}}
-	{{Selected tab\|[[19. Exercises\|Exercises]]}}	+	{{Selected tab\|[[10. Exercises\|Exercises]]}}
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Ian den 16 september 2009 kl. 16.50

2009-09-16T16:50:14Z

← Äldre version		Versionen från 16 september 2009 kl. 16.50
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	</div>{{#NAVCONTENT:Answer\|Answer 10.6\|Solution\|Solution 10.6}}		</div>{{#NAVCONTENT:Answer\|Answer 10.6\|Solution\|Solution 10.6}}
		+
		+
		+	===Exercise 10.7===
		+	<div class="ovning">
		+
		+	A particle of mass 3 kg is pulled across a rough horizontal plane, by a string inclined at 30<math>{}^\circ </math> to the horizontal by a force of 40 N. The coefficient of friction between the particle and the plane is 0.5. Find the acceleration of the particle.
		+
		+	</div>{{#NAVCONTENT:Answer\|Answer 10.7\|Solution\|Solution 10.7}}

Ian den 16 september 2009 kl. 16.47

2009-09-16T16:47:23Z

← Äldre version		Versionen från 16 september 2009 kl. 16.47
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	A particle of mass 20 kg is pulled across a rough horizontal plane by a string, inclined at 30<math>{}^\circ </math> to the horizontal. If the tension in the string is 50 N and the acceleration produced is 0.5 <math>\text{m}{{\text{s}}^{-2}}</math> find the friction force on the particle and the coefficient of friction.		A particle of mass 20 kg is pulled across a rough horizontal plane by a string, inclined at 30<math>{}^\circ </math> to the horizontal. If the tension in the string is 50 N and the acceleration produced is 0.5 <math>\text{m}{{\text{s}}^{-2}}</math> find the friction force on the particle and the coefficient of friction.
-

	</div>{{#NAVCONTENT:Answer\|Answer 10.5\|Solution\|Solution 10.5}}		</div>{{#NAVCONTENT:Answer\|Answer 10.5\|Solution\|Solution 10.5}}
		+
		+	===Exercise 10.6===
		+	<div class="ovning">
		+
		+	A particle, of mass 12 kg slides down a rough slope inclined at 40<math>{}^\circ </math> to the horizontal. The coefficient of friction between the particle and the slope is 0.2. Find the acceleration of the particle.
		+
		+	</div>{{#NAVCONTENT:Answer\|Answer 10.6\|Solution\|Solution 10.6}}

Ian den 16 september 2009 kl. 16.39

2009-09-16T16:39:31Z

← Äldre version		Versionen från 16 september 2009 kl. 16.39
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	</div>{{#NAVCONTENT:Answer\|Answer 10.4\|Solution\|Solution 10.4}}		</div>{{#NAVCONTENT:Answer\|Answer 10.4\|Solution\|Solution 10.4}}
		+
		+	===Exercise 10.5===
		+	<div class="ovning">
		+
		+	A particle of mass 20 kg is pulled across a rough horizontal plane by a string, inclined at 30<math>{}^\circ </math> to the horizontal. If the tension in the string is 50 N and the acceleration produced is 0.5 <math>\text{m}{{\text{s}}^{-2}}</math> find the friction force on the particle and the coefficient of friction.
		+
		+
		+	</div>{{#NAVCONTENT:Answer\|Answer 10.5\|Solution\|Solution 10.5}}

Ian den 16 september 2009 kl. 16.35

2009-09-16T16:35:38Z

← Äldre version		Versionen från 16 september 2009 kl. 16.35
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	</div>{{#NAVCONTENT:Answer\|Answer 10.3\|Solution\|Solution 10.3}}		</div>{{#NAVCONTENT:Answer\|Answer 10.3\|Solution\|Solution 10.3}}
		+
		+	===Exercise 10.4===
		+	<div class="ovning">
		+
		+	A particle of mass 6 kg starts from rest and accelerates uniformly. The resultant force on the particle has magnitude 15 N. Find the time taken to reach a speed of 10 <math>\text{m}{{\text{s}}^{-1}}</math>.
		+
		+
		+	</div>{{#NAVCONTENT:Answer\|Answer 10.4\|Solution\|Solution 10.4}}

Ian den 16 september 2009 kl. 16.30

2009-09-16T16:30:39Z

← Äldre version		Versionen från 16 september 2009 kl. 16.30
Rad 29:		Rad 29:

	</div>{{#NAVCONTENT:Answer\|Answer 10.2\|Solution\|Solution 10.2}}		</div>{{#NAVCONTENT:Answer\|Answer 10.2\|Solution\|Solution 10.2}}
		+
		+
		+	===Exercise 10.3===
		+	<div class="ovning">
		+
		+	A particle of mass 5 kg slides down a smooth plane, inclined at an angle of 30.<math>0{}^\circ </math> to the horizontal. Find the acceleration of the particle down the plane.
		+
		+
		+	</div>{{#NAVCONTENT:Answer\|Answer 10.3\|Solution\|Solution 10.3}}

Ian den 16 september 2009 kl. 16.27

2009-09-16T16:27:39Z

← Äldre version		Versionen från 16 september 2009 kl. 16.27
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	c) travels upwards with a retardation of 0.1 <math>\text{m}{{\text{s}}^{-2}}</math>.		c) travels upwards with a retardation of 0.1 <math>\text{m}{{\text{s}}^{-2}}</math>.
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	</div>{{#NAVCONTENT:Answer a\|Answer 10.1a\|Answer b\|Answer 10.1b\|Answer c\|Answer 10.1c\|Solution a\|Solution 10.1a\|Solution b\|Solution 10.1b\|Solution c\|Solution 10.1c}}		</div>{{#NAVCONTENT:Answer a\|Answer 10.1a\|Answer b\|Answer 10.1b\|Answer c\|Answer 10.1c\|Solution a\|Solution 10.1a\|Solution b\|Solution 10.1b\|Solution c\|Solution 10.1c}}
		+
		+	===Exercise 10.2===
		+	<div class="ovning">
		+
		+	A car of mass 1 tonne travels along a horizontal road and brakes from
		+	50 <math>\text{m}{{\text{s}}^{-1}}</math> to rest in a distance of 300 m. Find the magnitude of the braking force on the car.
		+
		+
		+	</div>{{#NAVCONTENT:Answer\|Answer 10.2\|Solution\|Solution 10.2}}

Ian den 16 september 2009 kl. 13.55

2009-09-16T13:55:06Z

← Äldre version		Versionen från 16 september 2009 kl. 13.55
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		+
		+
		+	===Exercise 10.1===
		+	<div class="ovning">
		+
		+	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 <math>\text{m}{{\text{s}}^{-2}}</math>,
		+
		+	b) accelerates downwards at 0.2 <math>\text{m}{{\text{s}}^{-2}}</math>,
		+
		+	c) travels upwards with a retardation of 0.1 <math>\text{m}{{\text{s}}^{-2}}</math>.
		+
		+
		+	</div>{{#NAVCONTENT:Answer a\|Answer 10.1a\|Answer b\|Answer 10.1b\|Answer c\|Answer 10.1c\|Solution a\|Solution 10.1a\|Solution b\|Solution 10.1b\|Solution c\|Solution 10.1c}}

Ian: Replacing page with '2970 N'

2009-09-16T13:53:20Z

Replacing page with '2970 N'

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Ian: New page: NOTOC {| border="0" cellspacing="0" cellpadding="0" height="30" width="100%" | style="border-bottom:1px solid #797979" width="5px" | {{Not selected tab|[[10. Newton’s second l...

2009-09-14T15:44:45Z

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