A worker pushing a 35.0 - kg wooden crate at a constantspeed for 12.0 m along a wood floor does 350 J of work byapplying a constant horizontal force of magnitude F0 on thecrate. (a) Determine the value of F0. (b) If the worker nowapplies a force greater than F0, describe the subsequentmotion of the crate. (c) Describe what would happen to thecrate if the applied force is less than F0.

Question
Asked Dec 17, 2019
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A worker pushing a 35.0 - kg wooden crate at a constant
speed for 12.0 m along a wood floor does 350 J of work by
applying a constant horizontal force of magnitude F0 on the
crate. (a) Determine the value of F0. (b) If the worker now
applies a force greater than F0, describe the subsequent
motion of the crate. (c) Describe what would happen to the
crate if the applied force is less than F0.

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Expert Answer

Step 1

a)

Write the expression for force applied by the person,

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= F,d worker W. z = F, warker 350 Fo 12 = 29.2N

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Step 2

b)

From part (a) the horizontal force F0 is 29.2N

When the applied force is greater than the horizontal force F0 which is 29.2N the wooden crate moved in direction of the applied force, as a result the speed of the w...

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