If you tried to smuggle gold bricks by filling your

Chapter 4, Problem 3P

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QUESTION:

Problem 3P

If you tried to smuggle gold bricks by filling your backpack, whose dimensions are 60 cm × 28 cm × 18 cm, what would its mass be?

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QUESTION:

Problem 3P

If you tried to smuggle gold bricks by filling your backpack, whose dimensions are 60 cm × 28 cm × 18 cm, what would its mass be?

ANSWER:

ANSWER: STEP 1:- For the above problem, the acceleration due to gravity value has taken as g = 10 m/s .2 The downward force which is 2500 N. The displacement is 5 meters. Work done by the force is, W = F. ds = F. S = |F||S|cos As the force is independent of the displacement here or constant, we took it out of the integral sign and the integral over the infinitesimal displacement vector will become the total displacement. 0 The angle between force and displacement here is 0 , as both are in the same direction. Then work done will be, W = 2500 N × 5 m × cos 0 = 2500 N × 5 m × 1 = 12500 jules. STEP 2:- 0 The tension T m1kes an angle 60 the horizontal, so the angle with the displacement which

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