1. Banked Curves and Conical Pendulums

2. Steps to Solve (Draw a picture) Construct the FBD Sketch the components of the appropriate force Write both 2 nd Law Equations – (  F y =ma y &  F c = mS 2 /r) Substitute and Solve (What did I forget???)

3. EX 1 At what angle (relative to horizontal) should an on-ramp be banked if it has a radius of 50m and drivers should be able to maintain a speed of 10 m/s without needing friction to negotiate the turn?

5. Assignment p 134 P# 40, 43, 47, 49

6. Lab - Objective: World Domination!!!

7. Objective: Use a CONICAL PENDULUM to determine g (the acceleration due to gravity) – Derive an equation that will be of the form g= … – Determine what measurements must be taken – Present your findings to Dr. Evil! Mwuhahaha….MWUHAHAHAHA…hahahaha….

8. Review Questions, Problems P 76 Q#11-13 P130 Q#10, 11 P134 #36, 46; p 138# 87, 88, 89