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Is Work a scalar or a vector quantity? Scalar ? Vector True or False: Positivework gives an object energy and negativework takes energy away. True ? False The formula for Work is Force times..... Distance ? Mass You lift a chair straight up into the air and hold it there. Has work been done on the chair? No Yes ? You push very hard on a locked door. It does not open. Has work been done on the door? No ? Yes A book is sliding across a table and coming to a stop. Is work being done to the book? Yes ? No You are standing in line holding a heavy bag of groceries. Are you doing work to the bag? No ? Yes A bike is coasting downhill.Is gravity doing negativeor positive work to the bike? Positive ? Negative Work is how objects lose or gain _____________. Energy ? Force If the direction of a force is opposite to that of a moving object, the work done will be..... Negative ? Positive |