The 88-lb force P is applied to the 210-lb crate, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the crate. The friction force is positive if to the right, negative if to the left. Assume 0.47, 0.35.

Answers

Answer 1

Answer:

[tex]F=-88Ib[/tex]

Explanation:

From the question we are told that:

Force P=88Ib

Mass of crate M_c=210Ib

Generally the equation for Frictional force F is mathematically given by

[tex]Friction\ force (f) = friction\ coefficient\ (u) * Normal\ reaction (N)[/tex]

[tex]F=u*N[/tex]

with [tex]\mu =0.47[/tex]

[tex]F=98.7Ib[/tex]

Therefore since Static Friction supersedes applied force body remains at rest.

Frictional force =88Ib (negative)

[tex]F=-88Ib[/tex]


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