torque

  1. A

    Bad question from Princeton review? or just my error?

    So I've always been taught that the formula for torque is T=FcosTheta * R .............however this princeton review practice problem on torque is using the formula T= FSinTheta * R When solving for torque do we always use Sin in the torque formula?? Or is this just a bad question...because...
  2. D

    TBR forces and torque

    The question asks: "If a person starts at the rim of a spinning platform and is pushed radially toward the central axis by a moving exterior wall, then what happens to the normal force felt by that person due to the wall?" Answer is: "It decreases, since r decreases" I used a= v^2/r but TBR...
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    • berkeley review mcat mcat 2015 2016 physics tbr torque
    • Replies: 1
    • Forum: MCAT Study Question Q&A
  3. D

    Torque

    A laboratory pan balance is shown In general when calculating the mass of the pan neglecting the mass of the rod: A- is possible if the fulcrum is placed at the center of mass of the whole balance B- is possible if the center of mass of the rod is the pivot point C- is not possible D- is...
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