Question
Asked Feb 13, 2020
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The four forces acting on the block must be identified.

Which forces act on the block?


Kinetic frictional force


Gravitational force


Pushing force


Static frictional force


Normal force


Tension

A 3.50 kg block is pushed along a horizontal floor by a force of magnitude 15.0 N at an angle 0 = 30.0° with the horizontal
(see the figure below). The coefficient of kinetic friction between the block and the floor is 0.250. Calculate the magnitudes
of (a) the frictional force on the block from the floor and (b) the block's acceleration.
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A 3.50 kg block is pushed along a horizontal floor by a force of magnitude 15.0 N at an angle 0 = 30.0° with the horizontal (see the figure below). The coefficient of kinetic friction between the block and the floor is 0.250. Calculate the magnitudes of (a) the frictional force on the block from the floor and (b) the block's acceleration.

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Expert Answer

The forces act on the block:

Normal force,

Kinetic friction force,

Pushing force,

Gravitational force

Part (a)

Weigh of the block,

Physics homework question answer, step 2, image 1

Step 3

Normal force,

Physics homework question answer, step 3, image 1

...

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