..ooo H20 1:16 PM edugen.wileyplus.com >Open Assignment Chapter 0S, Concept Ques
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..ooo H20 1:16 PM edugen.wileyplus.com >Open Assignment Chapter 0S, Concept Question 11 A vertical force is applied to a block of mass m that lies on a floor. What happens to the magnitude of the A vertical force is applied to a block of mass m that lies on a floor What happens to the magnitude of the normal force on the block from the floor as magnitude F is increased from zero if force , (a) downward and (b) upward? (a) Force is downward (a) Forceis downward. O egins positive and deoreases to eshen rmains ro begins negative (b) Force is upward. 7p begins negative and increases to aero, then romans auro. begins positive and dearetoe, ehen remains ero By accessing this Qvestion Assistance, you wi Oestion Assistance, you wit lean while learn while you eam points based on the Point Potential Policy set by yourExplanation / Answer
(a) when force f is downwards
as the force increases ,total downward force increase and so increases the normal force so normal force increases
The normal force increases with increase in f .
(b) when force f is upwards
as f is increased ,the net downward force is decresed so the normal force in decresed and will be zero when block is lifted up.
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