How Does Normal Force Relate to Friction and Acceleration?

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SUMMARY

The discussion focuses on the relationship between normal force, friction, and acceleration in a physics context. The normal force is calculated using the equation Fw = mg, where m is the mass (80 kg) and g is the acceleration due to gravity (9.8 m/s²), resulting in a normal force of 784 N. The frictional force is determined using the coefficient of friction (0.30) multiplied by the normal force, yielding a frictional force of 235.2 N. The conversation emphasizes the importance of understanding force balance equations in analyzing motion.

PREREQUISITES
  • Understanding Newton's Second Law of Motion
  • Familiarity with force balance equations
  • Knowledge of friction coefficients
  • Basic concepts of acceleration and mass
NEXT STEPS
  • Study the derivation of Newton's Second Law of Motion
  • Learn about different types of friction and their coefficients
  • Explore advanced applications of force balance equations
  • Investigate the effects of varying mass on acceleration in different scenarios
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Students studying physics, educators teaching mechanics, and anyone interested in the principles of motion and forces.

carly_6216
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Homework Statement


#11

Homework Equations


a = Fnet / m

The Attempt at a Solution


Fw= 80 * 9.8
= 784

(.30)(80.0)(9.8)
= 235.2
 

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The image you posted is not legible.
 
(The image is quite clear to me.)
Write out the force balance equation for the vertical direction. What is the normal force from the ground?
 

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