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1.5 Forces

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Question 55

A driver is planning a road trip and decides to mount a heavy cargo box onto the roof rack of their SUV instead of placing it inside the lower trunk. How does placing the heavy cargo on the roof rack affect the stability of the SUV?

A

It makes the SUV less stable by raising its centre of mass.

B

It makes the SUV more stable by lowering its centre of mass.

C

It makes the SUV more stable by increasing the downward force on the roof.

D

It has no effect on the SUV's stability since the total mass changes by the same amount.

Markscheme

1.5 Forces Questions

  1. IGCSE
  2. /Physics
  3. /1.5 Forces

245 exam-style questions on CIE IGCSE Physics 1.5 Forces, covering 1.5.1a Forces, resultant force and motion, 1.5.1b Load–extension graphs and the spring constant, 1.5.1c Friction and drag, 1.5.1d Force, mass and acceleration, 1.5.1e Motion in a circular path, 1.5.2a Moment of a force, 1.5.2b Principle of moments and equilibrium, and 1.5.3 Centre of gravity and stability. Each one has a worked solution and a mark scheme showing where the marks go.

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