11. Exercises - Revision history

Ian at 18:25, 14 October 2010

Ian — Thu, 14 Oct 2010 18:25:12 GMT

←Older revision		Revision as of 18:25, 14 October 2010
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	Two carriages are coupled to an engine. The engine and carriages move on a set of straight, horizontal railway lines.		Two carriages are coupled to an engine. The engine and carriages move on a set of straight, horizontal railway lines.

-	a) Draw a diagram to show the forces acting on the engine.	+	Draw a diagram to show the forces acting on the engine and the carriages.

-	b) Draw a diagram to show the forces acting on the first carriage.

-	c) Draw a question to show the forces acting on the second carriage.


-	</div>{{#NAVCONTENT:Answer a\|Answer 11.~~5a\|Answer b\|Answer 11.5b\|Answer c\|Answer 11.5c~~}}	+	</div>{{#NAVCONTENT:Answer \|Answer 11.5}}

Ian at 14:33, 17 September 2009

Ian — Thu, 17 Sep 2009 14:33:41 GMT

←Older revision		Revision as of 14:33, 17 September 2009
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	</div>{{#NAVCONTENT:Answer\|Answer 11.4\|Solution a\|Solution 11.4a\|Solution b\|Solution 11.4b\|Solution c\|Solution 11.4c}}		</div>{{#NAVCONTENT:Answer\|Answer 11.4\|Solution a\|Solution 11.4a\|Solution b\|Solution 11.4b\|Solution c\|Solution 11.4c}}
		+
		+
		+
		+
		+	===Exercise 11.5===
		+	<div class="ovning">
		+
		+	Two carriages are coupled to an engine. The engine and carriages move on a set of straight, horizontal railway lines.
		+
		+	a) Draw a diagram to show the forces acting on the engine.
		+
		+	b) Draw a diagram to show the forces acting on the first carriage.
		+
		+	c) Draw a question to show the forces acting on the second carriage.
		+
		+
		+	</div>{{#NAVCONTENT:Answer a\|Answer 11.5a\|Answer b\|Answer 11.5b\|Answer c\|Answer 11.5c}}

Ian at 14:29, 17 September 2009

Ian — Thu, 17 Sep 2009 14:29:36 GMT

←Older revision		Revision as of 14:29, 17 September 2009
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	b) What can you deduce about the forces that the beam exerts on the supports?		b) What can you deduce about the forces that the beam exerts on the supports?

		+	</div>{{#NAVCONTENT:Answer a\|Answer 11.2a\|Answer b\|Answer 11.2b}}


-	</div>{{#NAVCONTENT:Answer a\|Answer 11.2a\|Answer b\|~~Answer~~ 11.2b}}	+
		+	===Exercise 11.3===
		+	<div class="ovning">
		+
		+	A ball is dropped and bounces on a horizontal surface. Describe how the force that the surface exerts on the ball varies during the bounce. Also describe how the force that the surface exerts on the ball varies.
		+
		+	</div>{{#NAVCONTENT:Answer\|Answer 11.3}}
		+
		+
		+	===Exercise 11.4===
		+	<div class="ovning">
		+
		+	A concrete block, of mass 5 kg, is placed in a bucket of mass 1 kg. A rope is used to pull the bucket vertically upwards. At one point the block and bucket accelerate upwards at 0.2 <math>\text{m}{{\text{s}}^{-2}}</math>.
		+
		+	a) Find the tension in the rope.
		+
		+	b) Find the magnitudes of the forces that the bucket exerts on the concrete block.
		+
		+	c) State the magnitude of the force that the block exerts on the bucket.
		+
		+	</div>{{#NAVCONTENT:Answer\|Answer 11.4\|Solution a\|Solution 11.4a\|Solution b\|Solution 11.4b\|Solution c\|Solution 11.4c}}

Ian at 14:19, 17 September 2009

Ian — Thu, 17 Sep 2009 14:19:08 GMT

←Older revision		Revision as of 14:19, 17 September 2009
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	</div>{{#NAVCONTENT:Answer\|Answer 11.1}}		</div>{{#NAVCONTENT:Answer\|Answer 11.1}}
		+
		+
		+
		+
		+
		+	===Exercise 11.2===
		+	<div class="ovning">
		+
		+	A beam rests in equilibrium on two supports.
		+
		+	a) Draw a diagram to show the forces that act on the beam.
		+
		+	b) What can you deduce about the forces that the beam exerts on the supports?
		+
		+
		+
		+	</div>{{#NAVCONTENT:Answer a\|Answer 11.2a\|Answer b\|Answer 11.2b}}

Ian at 14:06, 17 September 2009

Ian — Thu, 17 Sep 2009 14:06:53 GMT

←Older revision		Revision as of 14:06, 17 September 2009
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	\| style="border-bottom:1px solid #797979" width="100%"\|		\| style="border-bottom:1px solid #797979" width="100%"\|
	\|}		\|}
		+
		+
		+
		+	===Exercise 11.1===
		+	<div class="ovning">
		+
		+	As a ball bounces on a table, the table exerts a upward normal reaction force on the ball. Describe the reaction to this force..
		+
		+	</div>{{#NAVCONTENT:Answer\|Answer 11.1}}

Ian at 13:58, 17 September 2009

Ian — Thu, 17 Sep 2009 13:58:32 GMT

←Older revision		Revision as of 13:58, 17 September 2009
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Ian at 13:55, 17 September 2009

Ian — Thu, 17 Sep 2009 13:55:04 GMT

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-	{{Not selected tab\|[[11. Newton’s ~~second law~~\|Theory]]}}	+	{{Not selected tab\|[[11. Newton’s third\|Theory]]}}
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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|[[11. Newton’s second l...

Ian — Thu, 17 Sep 2009 13:53:38 GMT

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