Solution_1 - 1.15 Solution Newton's II law"The relationship...

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1.15 F grav = Force of gravity F app = Applied upward force m = mass of object a = net acceleration g = acceleration of gravity Solution: Newton’s II law “The relationship between an object's mass m , its acceleration a, and the applied force net F is F = ma .” F app - F grav = ma (1) F grav = mg (2) Substitute (2) to (1) F app = ma + mg (3) F app = (2 kg)(5 m/s 2 ) + (2 kg)(9.81m/s 2 ) (4) F app = 29.62 kg·m/s 2 (1N/1 kg·m/s 2 ) = 29.62 N (5)
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