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3 Mechanics

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Question 194

Forces (5i+12j)(5\mathbf{i}+12\mathbf{j})(5i+12j) N and (7i−4j)(7\mathbf{i}-4\mathbf{j})(7i−4j) N act on a particle of mass 4 kg.

a.

Find the resultant force.

[2]
b.

Find the magnitude of the acceleration.

[2]
c.

Find the bearing of the acceleration, where i\mathbf{i}i points east and j\mathbf{j}j points north. Give your answer to the nearest degree.

[2]
Markscheme

3 Mechanics Questions

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

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