A Heavy Wooden Block Is Dragged by a Force

question 61

Multiple Choice

A heavy wooden block is dragged by a force along a rough steel plate, as shown below for two cases.The magnitude of the applied force is the same for both cases.The normal force in (ii) , as compared with the normal force in (i) is:

• A)the same
• B)greater
• C)less
• D)less for some angles of the incline and greater for others
• E)less or greater, depending on the magnitude of the applied force

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Definitions:

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