Forces Preview Page

Learning Outcomes

Candidates should be able to:

  • apply Newton's Laws to:
  1. describe the effect of balanced and unbalanced forces on a body 
  2. describe the ways in which a force may change the motion of a body 
  3. identify action-reaction pairs acting on two interacting bodies (stating of Newton's Laws is not required)
  • identify forces acting on an object and draw free body diagram(s) representing the forces acting on the object (for cases involving forces acting in at most 2 dimensions)
  • solve problems for a static point mass under the action of 3 forces for 2-dimensional cases (a graphical method would suffice)
  • recall and apply the relationship resultant force = mass × acceleration to new situations or to solve related problems
  • explain the effects of friction on the motion of a body

Sample Worksheets

Physics SPA S3 - Forces Notes Preview