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book College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou cover

College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

النسخة 7الرقم المعياري الدولي: 978-0321601834
book College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou cover

College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

النسخة 7الرقم المعياري الدولي: 978-0321601834
تمرين 22
A block of mass 25.0 kg slides down a frictionless surface inclined at 30°. To ensure that the block does not accelerate, what is the smallest force that you must exert on it and what is its direction
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College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou
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