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ICSE-VIII-Physics

04: Energy Class 8 Physics

with Solutions - page 2
Qstn# B-3 Prvs-QstnNext-Qstn
  • #3
    State two conditions when no work is done by a force.
    Ans : :
    Two conditions are :
    i) There should be no displacement i.e. S = 0
    ii) The displacement is normal to the direction of force i.e. -θ = 90°