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Name: A box of mass ?= 5.00 kg is at rest on a horizontal rough surface. The
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Description: A box of mass ?= 5.00 kg is at rest on a horizontal rough surface. The coefficients of static friction and kinetic friction between the surface and the box are μ?= 0.450 and μ?= 0.400, respectively. Then, a horizontal force ?⃗ is exerted on the box.

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Chapter6: Applications Of Newton’s Laws Of Motion

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A box of mass ?= 5.00 kg is at rest on a horizontal rough surface. The coefficients of static friction and kinetic friction between the surface and the box are μ?= 0.450 and μ?= 0.400, respectively. Then, a horizontal force ?⃗ is exerted on the box.

a. If the magnitude of the force ?⃗ is 12.0 N, what is the magnitude of the friction force on the block?

b. If the magnitude of the force ?⃗ is 25.0 N, what is the magnitude of the acceleration of the block?

Expert Solution

Step 1

Given:

Mass of box $m = 5 k g$

Static friction coefficient $μ_{s} = 0.450$

Kinetic friction coefficient $μ_{k} = 0.400$

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