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Summary Nova 3hv Physics

- F Alkemade, et al
ISBN-13 9789034587831
70 Flashcards & Notes
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A snapshot of the summary - Nova 3hv Physics Author: F Alkemade, L Lenders, F Molin, R Tromp ISBN: 9789034587831

  • 5 Forces and motion

  • 5.1 Accelerating

  • What is a (speed, time) diagram?
    A graph that shows you quickly how an entire motion progressed.
  • What is a uniform acceleration?
    A motion in which the speed keeps increasing at a steady rate
  • 5.1.2 Making a (v, t) diagram

  • What is gradually speeding up called
    Accelerating
  • 5.1.4 Calculating the acceleration

  • What is the fromula for calculating the acceleration
    A=▲v/▲t
  • How do you convert m/s into km/h
    m/s x 3.6
    km/h : 3.6
  • 5.1.5 Determining the distance coverd

  • How do you calculate the distance coverd
    By finding the area under the line in the (v, t) diagram
  • 5.2 Force, mass and acceleration

  • What are the two main forces acting upon you and your bike to slow down the motion?
    Air friction and rolling friction.
  • why does air friction occur?
    Because when cycling, you have to keep pushing the air in front of you aside. The faster you go, the more air resistance.
  • Which four forces are acting on a car?
    Gravity, normal force, pushing force and friction.
  • Why does rolling fricton occur?
    Because the tyres and the road surface are being made to change shape as you go along. The greater this deformation, the more rolling friction.
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