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2 marksForces and Equilibrium

CSEC Integrated Science · May/June 2015 · Paper 2 · Question 3(a)(ii)

Concepts of force and motion.

State TWO effects of a force on a body.

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Other parts of this question

  1. 3(a)(i)Define the term 'force'.[1 mark]
  2. 3(a)(iii)What is the unit of force?[1 mark]
  3. 3(b)Friction is an example of a force. Explain what is meant by a 'frictional force'.[1 mark]
  4. 3(c)(i)State ONE variable that is held constant during the experiment.[1 mark]
  5. 3(c)(ii)Explain why the car was able to travel further when the axle was oiled.[2 marks]
  6. 3(c)(iii)From the experiment on page 9, state ONE advantage of friction and ONE disadvantage of friction.[2 marks]
  7. 3(d)(i)Explain the effect of changing the car tyres on the centre of gravity of the body of the car.[1 mark]
  8. 3(d)(ii)Explain the effect of changing the car tyres on the stability of the body of the car.[1 mark]
  9. 3(e)(i)Explain the role of the endocrine system as he performed this activity.[2 marks]
  10. 3(e)(ii)Name ONE system in the body, other than the endocrine system, that plays an important role in the situation in (e)(i).[1 mark]

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