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    				| 1. | 1.A20kgboxisonthe floor of a truck the coefficient of static friction between thebox and the truck floor is 0.3 and the coefficient of sliding friction is 0.2 Theagnitude and direction of the frictional force acting on the box, when the truckis accelerating at 2 ms-2 isA) 99.2 N back wardC) 39.2 N forwardB) 99.2 N forwardD) 39.2 N backward | 
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