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Finding Friction's Direction

if wieght of ...

Question

if wieght of the motorcycle is increased how does it effect the coefficient of friction?

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Solution

The coefficient of friction remains the same. However the maximum static friction force will change as it depends on the weight.

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Similar questions

What happen to the coefficient of friction if the weight of the body is doubled

Q. How is a speed skater able to glide across the ice? How can the skater increase friction between the ice and the skates? What effect does an increase in friction have on the skater's speed?

Q. Motorcycle rider is moving in a hollow sphere in a horizontal circle of radius

5 m

with constant speed

12 m / s

. Acceleration due to gravity is

9.8 m / s^{2}

. The coefficient friction between tires of the motorcycle and the inner surface of the sphere is:

A cylinder of mass 10 kg and radius 15 cm is rolling perfectly on a plane of inclination 30°. The coefficient of static friction µ_s = 0.25.

(a) How much is the force of friction acting on the cylinder?

(b) What is the work done against friction during rolling?

(c) If the inclination θof the plane is increased, at what value of θ does the cylinder begin to skid, and not roll perfectly?

Q. A cylinder of mass 10 kg and radius 15 cm is rolling perfectly on a plane of inclination

30^{o}

. The coefficient of static friction

μ_{s} = 0.25

.
(a) How much is the force of friction acting on the cylinder ?
(b) What is the work done against friction during rolling ?
(c) If the inclination

θ

of the plane is increased, at what value of

θ

does the cylinder begin to skid, and not roll perfectly ?

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