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1.5 Forces

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Question 59

A block of mass 6.0 kg is pulled along a horizontal floor in a straight line by a constant force FFF.

The constant frictional force acting on the block is 4.0 N.

The speed of the block increases from 1.5 m/s to 4.5 m/s in 2.0 s.

What is the value of FFF?

A

5.0 N5.0\text{ N}5.0 N

B

9.0 N9.0\text{ N}9.0 N

C

13.0 N13.0\text{ N}13.0 N

D

17.0 N17.0\text{ N}17.0 N

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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