Force, Friction, and Acceleration Problems

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Questions and Answers

What was the result of the Moroccan crises?

  • Morocco became fully independent.
  • France's presence in Morocco was reinforced. (correct)
  • Spain gained control of Morocco.
  • Germany gained control of Morocco.

Which countries sought to take advantage of the Ottoman Empire's decline?

  • France and Britain
  • Germany and Italy
  • Spain and Portugal
  • Austria and Russia (correct)

What did Austria desire in the Balkans?

  • To expand towards the Adriatic coast. (correct)
  • To support Serbian independence.
  • To give territories to Russia.
  • To establish free trade agreements.

Which event occurred between 1908 and 1913 related to the Austro-Hungarian Empire?

<p>The annexation of Bosnia and Herzegovina. (B)</p> Signup and view all the answers

What territories did France lose to Germany in 1870, contributing to French revanchism?

<p>Alsace and Lorraine (C)</p> Signup and view all the answers

Which empires disputed economic and political control in the Balkans?

<p>Austro-Hungarian and Russian empires (D)</p> Signup and view all the answers

What action did Bismarck take to isolate France and maintain balance in the Balkans?

<p>Established the Dual Alliance. (C)</p> Signup and view all the answers

Which countries formed the Triple Alliance?

<p>Germany, Austria and Italy (A)</p> Signup and view all the answers

Which countries formed the Triple Entente?

<p>France, Russia, and Britain (D)</p> Signup and view all the answers

What was a consequence of mutual fear amongst countries?

<p>An arms race (B)</p> Signup and view all the answers

Flashcards

Moroccan Crises

Conflicts in Morocco between Germany and France due to colonial interests.

The Eastern Question

International friction due to the decline of the Ottoman Empire, with Austria and Russia seeking to expand power in the Balkans.

Balkan Crises (1908-1913)

Annexation of Bosnia and Herzegovina by Austria-Hungary; Bulgaria divided among neighboring countries.

Alsace-Lorraine

France's loss of Alsace and Lorraine to Germany in 1870 fueled French desire for revenge.

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Austro-Russian Rivalry

Austria-Hungary and Russia competed for economic and political control in the Balkans.

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Anglo-German Economic Rivalry

Economic rivalry between Germany and the UK. Germany sought to expand its colonial empire, threatening UK's commercial hegemony.

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The Dual Alliance

An alliance established by Bismarck in 1872 to isolate France and maintain balance in the Balkans.

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Triple Alliance

An alliance formed in 1882 between Germany, Austria, and Italy.

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Triple Entente

An Entente signed in 1907 between France, Russia, and the UK.

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"Armed Peace"

A period from 1890-1914 where European powers grouped into two military blocs, leading to an arms race due to fear of each other.

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Study Notes

  • These notes cover force, friction, acceleration, tension, and related concepts.
  • Problems involve applying Newton's laws to various scenarios.

Problem 1

  • A block with a mass of 5.4 kg accelerates at rate of 1.2 m/s² on a level floor.
  • The coefficient of kinetic friction between the block and floor is 0.27.
  • Find the required force to accelerate the block at this rate.
  • Find the required force to accelerate the block at the same rate when friction is 0.

Problem 2

  • This is a modified Atwood machine
  • Block 1 (1.0 kg) is on a horizontal table with a kinetic friction coefficient of 0.25.
  • Block 2 (2.0 kg) hangs vertically, connected by a cord over a pulley.
  • Objective: Determine the acceleration of the system and the tension in the cord.

Problem 3

  • A woman exerts 220 N of horizontal forcer on a 1500 kg car.
  • The coefficient of static friction between the tires and road is 0.18.
  • Determine the friction force exerted by the road on the car.
  • Determine the required force for the car to start moving.

Problem 4

  • A window washer and platform have combined mass of 120 kg.
  • They are suspended by a cable running through a pulley.
  • Find the force the window washer must pull down on the rope to raise themselves slowly at a constant rate upwards.

Problem 5

  • A toboggan with a mass of 25 kg carries two people with a combined mass of 125 kg.
  • It slides down a slope at a $20^\circ$ angle to the horizontal.
  • The coefficient of kinetic friction between the toboggan and the snow is 0.10.
  • Goal: Calculate the acceleration of the toboggan down the slope taking friction into account.

Problem 6

  • A 21 kg loudspeaker is suspended 2.3 m below the ceiling by two 3.4 m long cables.
  • Determine the tension in each cable.
  • Determine if one cable is slightly longer than the other, will the tension in the two cables be the same?

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