Description
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?
Explanation & Answer
14. you will take
k= 1.0/ 1.0 kg/cm which will be
= 1kg/cm
the answer is 1kg/cm
15. 80kg
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