YumaR238916 YumaR238916

31-10-2022
Physics

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While moving out of her dorm room, Bridget carries a 12-kg box to her car,holding it in both arms. a) How much force must be exerted by each of herarms to support the box? b)How will this force change if Bridget holds thebox with only one arm?

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HennesseyL516234 HennesseyL516234

31-10-2022

weight = mass x gravity

mass = 12 kg

gravity = 9.8 m/s^2

Weight = 12 x 9.8 = 117.6 N

The force (F) needed to support the box:

F = W

FF= = 117.6 N

Divide by 2 arms:

117.6 / 2= 58.8 N

If she holds with one arm

117.6 N

a) 58.8 N

b) 117.6 N

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