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1.5.1a Forces, resultant force and motion

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Question 60

A spring which obeys Hooke’s Law has an unstretched length of 15 cm. A load of 30 N is hung from the spring. The new length of the spring is 48 cm. What is the spring constant k k\,k of the spring?

A

0.63 N/cm0.63\text{ N/cm}0.63 N/cm

B

0.91 N/cm0.91\text{ N/cm}0.91 N/cm

C

1.1 N/cm1.1\text{ N/cm}1.1 N/cm

D

2.0 N/cm2.0\text{ N/cm}2.0 N/cm

Markscheme

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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