14. A spring scale is constructed so that each 1.0-kg increment is separated by

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14A spring scale is constructed so that each 1.0-kg increment is separated by 1.0 cm. What spring constant is necessary for the scale to be accurate?

15. You push against a steamer trunk with a force of 750 N at an angle of 25° with the horizontal . The trunk is on a flat floor and the coefficient of static friction between the trunk and floor is 0.77. What is the most massive trunk you will be able to move?

May 18th, 2015

14. you will take

k= 1.0/ 1.0 kg/cm which will be

= 1kg/cm

the answer is 1kg/cm 

15. 80kg

May 18th, 2015

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May 18th, 2015
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