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3.5 Newton's Laws of Motion

3.5 Newton's Laws of Motion

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Question 22

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

3.5 Newton's Laws of Motion Questions

  1. A Level
  2. /Maths
  3. /3.5 Newton's Laws of Motion

49 exam-style questions on OCR (MEI) A Level Maths 3.5 Newton's Laws of Motion, covering 3.5.1 Meaning of Newton's three laws, 3.5.2 Equation of motion, 3.5.3 Equation of motion for a particle in a straight line, 3.5.4 Model a system of connected particles, 3.5.5 Equations of motion for individual particles, 3.5.6 System with no relative motion as a single particle, and 3.5.7 Equation of motion in a straight line or plane (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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