a smuggler at an airport wants to check a piece of luggage with a mass of 40 kg.
ID: 2290067 • Letter: A
Question
a smuggler at an airport wants to check a piece of luggage with a mass of 40 kg. but the regulations state that the maximum mass allowed is 30 kg. what should the smuggler do after he puts the luggage on the scale to make the scale show 30kg reading? your answer should indicate the direction and the magnitude of the force that he should exert on the luggage. to answer the question, draw a force diagram for the luggage them apply newton's 2nd and 3rd laws to relate the diagram to the reading scale. be sure to explain carefully how this explains why scale will read 30 kg rather than 40kg.
Explanation / Answer
F + N - w = 0
F - 30*9.8 - 40*9.8 = 0
F = 686 N
apply a force of F in upward direcction
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