contestada

5. Kelvin applied a rightward force of 302 N to a 29 kg desk to accelerate it across the floor. The
coefficient of friction between the desk and the floor is 0.750.
a. Calculate the Force Friction
FN

Respuesta :

The force of friction is 213.2 N

Explanation:

The frictional force acting on an object sliding on a surface is given by:

[tex]F_f = \mu mg[/tex]

where:

[tex]\mu[/tex] is the coefficient of friction

m is the mass of the object

g is the acceleration of gravity

In this problem we have

[tex]\mu=0.750[/tex]

m = 29 kg

[tex]g=9.8 m/s^2[/tex]

Therefore, the force of friction is

[tex]F_f = (0.750)(29)(9.8)=213.2 N[/tex]

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