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1.7 Energy, work and power

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Question 165

Which two physical quantities must be used to calculate the work done on an object by a constant force acting in the direction of motion?

A

force exerted and the distance moved in the direction of the force only

B

force exerted and the time taken only

C

power developed and the distance moved only

D

mass of the object and the acceleration only

Markscheme

1.7 Energy, work and power Questions

  1. IGCSE
  2. /Physics
  3. /1.7 Energy, work and power

533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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