9709/42

Mathematics 9709/42October/November 2012

Cambridge AS Level · Mechanics · worked solutions for every part, with the mark scheme

7
questions
50
marks
75
minutes

Topics Kinematics of Motion in a Straight Line · Newton's Laws of Motion · Energy, Work and Power · Forces and Equilibrium

Q13MEnergy, Work and PowerFree sample

A block is pushed along a horizontal floor by a force of magnitude 45 N45\text{ N} acting at an angle of 1414^{\circ} to the horizontal (see diagram). Find the work done by the force in moving the block a distance of 25 m25\text{ m}.

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6 more questions
  • Q2Kinematics of Motion in a Straight Line · Newton's Laws of Motion6M
  • Q3Kinematics of Motion in a Straight Line6M
  • Q4Forces and Equilibrium7M
  • Q5Kinematics of Motion in a Straight Line · Newton's Laws of Motion · Forces and Equilibrium8M
  • Q6Newton's Laws of Motion · Energy, Work and Power8M
  • Q7Kinematics of Motion in a Straight Line12M
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