How Does Normal Force Relate to Friction and Acceleration?

In summary, friction is a force that resists motion between two surfaces, caused by microscopic irregularities. It can reduce acceleration and cause objects to decelerate or stop. The amount of friction depends on surface type, force, and roughness. In some situations, friction can be beneficial, such as providing better control for a car's tires. Friction can be reduced by using lubricants or smoother surfaces.
  • #1
carly_6216
1
0

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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  • #2
The image you posted is not legible.
 
  • #3
(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?
 

FAQ: How Does Normal Force Relate to Friction and Acceleration?

What is friction?

Friction is a force that resists motion between two surfaces that are in contact with each other. It is caused by the microscopic irregularities on the surface of objects.

How does friction affect acceleration?

Friction can act in the opposite direction of the motion, which can reduce the acceleration of an object. It can also cause an object to decelerate or come to a stop.

What factors affect the amount of friction between two surfaces?

The amount of friction depends on the type of surfaces in contact, the force pushing the surfaces together, and the roughness of the surfaces.

Can friction ever be beneficial?

Yes, friction can be beneficial in certain situations. For example, friction between the tires of a car and the road allows for better control and prevents the car from slipping or sliding.

How can friction be reduced?

Friction can be reduced by using lubricants, such as oil or grease, between two surfaces. Smoother and more polished surfaces can also reduce friction.

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