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3 Mechanics

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Question 101

In this question use g=9.8g = 9.8g=9.8 m s−2^{-2}−2.

Two particles AAA, of mass 4 kg, and BBB, of mass 6 kg, are connected by a light inextensible string which passes over a smooth pulley fixed at the top of a smooth plane inclined at 30° 30°\,30° to the horizontal.

A A\,A lies on the plane with the string parallel to a line of greatest slope, and B B\,B hangs freely with the string vertical. The system is released and A A\,A moves up the plane.

Figure for question 6

a.

Find the acceleration of the particles.

[3]
b.

Find the tension in the string.

[2]
c.

Find the magnitude of the force exerted on the pulley by the string.

[3]
Markscheme

3 Mechanics Questions

  1. A Level
  2. /Maths
  3. /3 Mechanics

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