Wednesday, 20 October 2010

Mechanics1 Momentum and impulse 20/10/10

  • Momentum = mv
  • Change in momentum
  • Impulse = Ft = Change in momentum
  • Problems involving impulse & change in momentum
  • Principle of conservation of momentum
  • Problems involving collision or particles

http://www.scribd.com/doc/39732011/Mechanics-1-Momentum-and-Impulse-201010

Wednesday, 13 October 2010

Mechanics1 Connected particles 13/10/10

  • Connected particles - equal and opposite tension forces in a string
  • Treating each particle separately
  • Using F=ma where acceleration is common to both particles
  • Problems involving connected particles

http://www.scribd.com/doc/39242978/Mechanics-1-Connected-Particles-131010

Monday, 11 October 2010

Mechanics1 Newton's laws 11/10/10

  • Definitions of Newton's laws
  • Using F=ma
  • Problems involving use of F=ma and equations of motion

http://www.scribd.com/doc/39103525/Mechanics-1-Newtons-Laws-111010

Wednesday, 6 October 2010

Monday, 4 October 2010

Mechanics1 Types of forces 04/10/10

  • Force vectors
  • Equilibrium
  • Weight, normal reaction force, tension, thrust, friction
  • Problems involving systems of forces in equilibrium
  • Using the directions parallel and perpendicular to a slope

http://www.scribd.com/doc/38684179/Mechanics-1-Types-of-Forces-041010

Monday, 27 September 2010

Mechanics1 Resolving forces 27/09/10

  • Resultant of a horizontal and vertical force
  • Resolving a force into horizontal and vertical components
  • Resultant of two or more forces
  • Using vectors for forces

http://www.scribd.com/doc/38246445/Mechanics-1-Resolving-Forces-270910

Mechanics1 Vertical motion 27/09/10

  • Recap motion in horizontal plane
  • Vertical motion - acceleration due to gravity
  • Example problem with vertical motion

http://www.scribd.com/doc/38246242/Mechanics-1-Vertical-Motion-270910