Physics Newtonian laws?


A rock of mass 2 kg is lifted straight up by a 40 N vertical, applied force. What is the magnitude of the rock’s acceleration? All answers are in ms-2. For this question, use g = 10 ms-2.

in progress 0
General Physics RvTDLR 5 years 1 Answer 891 views 0

About RvTDLR

Answer ( 1 )

  1. Use F = ma

    Assume up is positive
    40 + 2(-10) = 2a
    a = 10 m/s²

    as the result is positive, the rock moves upward.

    I hope this helps.
    Please remember to select a “Best Answer” from among your results, It’s good karma as it helps keep the exchange in balance.

Leave an answer