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# 6 - Andre Mallqui 5th period Cornell Notes 6.1 6.2 6.4 6.1...

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Andre Mallqui 5 th period Cornell Notes 6.1, 6.2, 6.4 6.1 Newton’s Second Law Applied to Uniform Circular motion a(r) = v^2/r is the magnitude of centripetal acceleration and is always perpendicular Because that is a, multiplying by mass gives the force of the ball. The centripetal force is toward the center of the circle. Conceptual Example 6.1 Centripetal force is not a force that does not count as another force in a free body diagram and should not be added Example 6.2 The tension of the string is equal to the mass times centripetal acceleration. As the velocity increases so does the tension. Example 6.3 Manipulating various formulas and equations that are already known can determine the expression needed to find the velocity Example 6.4 The basic formula equates to the force and the balancing force to the normal force is needed to calculate the maximum speed of the car Example 6.5 Similar to example 6.4 but the road is banked. Therefore the natural force has different angle

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6 - Andre Mallqui 5th period Cornell Notes 6.1 6.2 6.4 6.1...

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