How do you tackle a general mechanics question?
-
always draw free-body diagram. This will clarify the forces that are acting on the object
-
Determine whether newton's 1st law or 2nd law that are in play, and use the equations of each.
-
If asked about kinematics - related questions, use kinematics equations to answer.
HI
Related Physics IB answers
All answers ▸Use the idea of a thermos flask to explain conduction, convection and radiation. Comment also how a thermos flask can reduce heat loss.
Could you go through the derivation of the Doppler effect for a source moving towards an observer?
What is the difference between a vector and a scalar?
Define electric potential at a point in an electric field.