Forces on an inclined plane
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Forces on an inclined Plane. DN/RKS. kg, m, s Equations: Linear: Y=3x + 2 Quadratic: y= 2x 2 + 5x + 2 Exponential: y = 4 x Inverse: y = 2/x 3) (a) +4 m/s ( d) -3 m/s 2. 4) Distance, Displacement: 6m, 3 m east 15 m, 13 m approximately northeast 10 m, 6 m south

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Forces on an inclined Plane

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Forces on an inclined plane

Forces on an inclined Plane


Dn rks

DN/RKS


Forces on an inclined plane

  • kg, m, s

  • Equations:

    • Linear: Y=3x + 2

    • Quadratic: y= 2x2 + 5x + 2

    • Exponential: y = 4x

    • Inverse: y = 2/x

      3) (a) +4 m/s (d) -3 m/s2


Forces on an inclined plane

4) Distance, Displacement:

  • 6m, 3 m east

  • 15 m, 13 m approximately northeast

  • 10 m, 6 m south

    5) Speed, Velocity

  • 3 m/s, 1.5 m/s east

  • 7.5 m/s, 6.5 m/s approximately east

  • 5m/s, 3m/s south


  • Forces on an inclined plane

    • Units of velocity? m/s

    • Units of acceleration? m/s2

    • Units of force? N or mkg/s2

    • Units of distance? m

    • Formula for average acceleration? Change in velocity/time

    • Formula for average velocity? Change in displacement/time

    • Formula for average speed? Change in distance/time

    • What is the constant acceleration of gravity on earth? -10m/s2

    • One type of field force? gravity

    • Three trig function ratios? Sin = O/HCos = A/HTan = O/A


    Quick refresh

    Quick Refresh

    • What is the acceleration of a 5.0kg box on a frictionless surface with an applied force of 8 N?


    Quick refresh1

    Quick Refresh

    • What is the normal force if a 5.0kg box is resting on a table?


    Notes

    Notes:

    • What is an inclined plane?

      • A flat surface that makes an angle with the horizontal


    Notes1

    Notes

    • How will I find the normal force on an inclined plane?

      • Draw free body diagarm

      • Normal force is PERPENDICULAR to surface!

      • Find force perpendicular to surface (usually just gravity)

      • Fnormal=-Fperpendicular


    Notes2

    Notes

    • How will I find the acceleration of an object on an inclined plane?

      • Draw free body diagarm

      • Acceleration will be parallel to surface!

      • Find forces parallel to surface

      • F parallel = maparallel


    Forces on an inclined plane

    What is the acceleration and the normal force of a 4.0 kg box on a frictionless surface at a 30⁰ angle?


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