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# Concept Maps 2011

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Used at the SATA Exam Preparation Seminar 2011

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### Concept Maps 2011

1. 1. WHY USE CONCEPT MAPS?<br />
2. 2. Concept maps assess how well you see the “big picture”. They provide a useful and visually appealing way of illustrating your conceptual<br />knowledge.<br />
3. 3. WHAT IS A CONCEPT MAP?<br />
4. 4. A concept map is a diagram of nodes, each containing concept labels, which are linked togetherwith directional lines, also labelled.<br />
5. 5. Learning Goals<br />· Learn terms, facts, concepts and definitions of this subject<br />· Organize information into meaningful categories<br />· Think about the “big picture” and THEN see the details and connections among concepts in Physics<br />· Improve your long-term memory and skills for accessible knowledge<br />· Develop higher-level thinking skills, strategies in problem solving in Physics. <br />
6. 6. SH=VHt<br />Motion is UNIFORM<br />Projectile motion<br />H: <br />VH remains const.<br />aH=0, FH=0<br />Motion is FREE FALL<br />V:<br />Const F<br />Mag & dir<br />Results in parabolic path<br />Const a<br />Mag & dir<br />V<br />VH=V0H<br />Vv=V0v+at<br />V=√(VH2+Vv2 )<br />θ=tan-1(Vv/VH)<br />VV changes at a constant rate<br />Vv=V0v+at<br />Sv=Vovt+1/2at2<br />Vv2-Vov2=2asv<br />V0<br />V0H=V0cosθ<br />V0v=V0sin θ<br />θ<br />
7. 7. UCM<br />Δv:<br />Constant magnitude<br />Changing direction<br />Uniform speed<br />aC:<br />Constant magnitude<br />Changing direction<br />Find Δv, <br />it is radial if Δt≈0<br />Directionchanges<br />a= Δv/Δt=v2/r<br />Same direction as Δv <br />Acceleration exists<br />Called centripetal acceleration<br />F=ma=mv2/r<br />Same direction as a<br />By Newton’s II force must exist<br />Called centripetal force<br />Always provided by other forces<br />FC:<br />Constant magnitude<br />Changing direction<br />Component of a force<br />F &V at 900 at all times<br />CIRCULAR path<br />Combination of forces<br />One force<br />eg: Fg in satellites<br />eg: FB in cyclotron<br />eg: FnsinѲ<br /> in banking roads<br />
8. 8. EXAMPLE:Compare the motion of charged particles in uniform electric and uniform magnetic fields. In your response you should consider. the forces acting on charged particles from both fields. the accelerations and changes of speed experienced from both fields. the shape of the path taken by particles moving in each type of field. the change in energy as particles move through each type of field<br />
9. 9. The Question has linked 4 major topics:<br />1. Projectile motion<br />2. Uniform circular motion<br />6. Motion of charged particles in electric fields<br />8. Motion of charged particles in magnetic fields <br />