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1.5.1a Forces, resultant force and motion

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Question 36

A spring has an unstretched length of 5.0 cm. When a force of 80 N is applied to the spring, its length increases to 9.0 cm. The limit of proportionality is not exceeded. What is the spring constant of the spring?

A

8.9 N/cm8.9\text{ N/cm}8.9 N/cm

B

16 N/cm16\text{ N/cm}16 N/cm

C

20 N/cm20\text{ N/cm}20 N/cm

D

40 N/cm40\text{ N/cm}40 N/cm

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1.5.1a Forces, resultant force and motion Questions

  1. IGCSE
  2. /Physics
  3. /1.5.1a Forces, resultant force and motion

183 exam-style questions on CIE IGCSE Physics 1.5.1a Forces, resultant force and motion. Each one has a worked solution and a mark scheme showing where the marks go.

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