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1.5.1a Forces, resultant force and motion

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Question 114

A spring, which obeys Hooke's law, has an unstretched length of 15 cm.

A load of 25 N is suspended from the spring.

The new length of the spring is 45 cm.

What is the spring constant k k\,k of the spring?

A

0.56 N/cm0.56\text{ N/cm}0.56 N/cm

B

0.83 N/cm0.83\text{ N/cm}0.83 N/cm

C

1.7 N/cm1.7\text{ N/cm}1.7 N/cm

D

1.2 N/cm1.2\text{ N/cm}1.2 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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