Activity 2 The Inclined Plane In this activity, air drag is fairly negligible, b

Question

Activity 2 The Inclined Plane In this activity, air drag is fairly negligible, but other forms of friction are not. Your instructor will explain some of the details of the setup, but here is the basic idea. With the air track inclined at a small angle, a glider released from rest will accelerate down the incline. By determining this acceleration and by using a few physics tricks, an "effective" friction is determined. First, the theory: IN PENCIL on the next page, sketch a fbd on the glider as it slides down the incline. Make sure to label each force using standard notation, e.g., F, F, and F,. Since acceleration ã is not a force, it should be drawn with an arrow in the appropriate direction some distance away from the forces. Positive "x" is chosen down the incline since the glider accelerates in this direction

Explanation / Answer

a) since there is no acceleration along y-axis thus the forces are equal

ie y component of Fg is equal to Normal force.

b)Again no acceleration means equal force thus x component of Fg is equal to frictional force .

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