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5 Written questions

5 Multiple choice questions

  1. The magnitude (amount) of friction is proportional (increases / decreases as the other increases / decreases) to the what acting on the system?
  2. Who proposed the laws of motion and whose work did he base his studies on?
  3. Friction depends on the kind of what in contact?
  4. What is a contact force that opposes the movement of objects past each other?
  5. Newton's second law is the law of accelerated motion, what does this law state and what is the formula that goes along with the law?

5 True/False questions

  1. F = net force, m = mass, a = accelerationWho proposed the laws of motion and whose work did he base his studies on?

          

  2. Moving past each otherThere is greater friction between two stationary (still) objects than when they are what?

          

  3. Opposite directionThe friction vector acts in what direction with respect to the system's motion?

          

  4. Mechanical equilibriumWhen the net force on a system is zero there is no motion and the system is said to be in a state of what?

          

  5. For every action there is an equal but opposite reactionIn the formula for accelerated motion, what do the variables mean and what are the units for each variable?