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Physics 1 Problem Solutions 82

# Physics 1 Problem Solutions 82 - 78 Chapt 7 Kinetic Energy...

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78 Chapt. 7 Kinetic Energy and Work perpendicular, respectively, to the direction of motion. The work W done on the body by the force is given by: a) W = vector FS . b) W = F S . c) W = F bardbl S . d) W = F bardbl F S . e) W = vector FF bardbl F S . 007 qmult 00222 1 1 3 easy memory: work formula for a constant force 2 Extra keywords: For the vector and dot product literate 16. A constant force vector F acts on a body while that body moves a distance Δ vector r . The work W done on the body by the force is given by: a) W = vector F/ Δ vector r . b) W = vector F . c) W = vector F · Δ vector r . d) W = vector F · vector F · Δ vector r . e) W = vector F · Δ vector r · Δ vector r . 007 qmult 00280 1 3 1 easy math: work lifting 100 kg load Extra keywords: physci KB-95-3 17. How much work is done by a lifter lifting a 100 kg load straight upward 10 m without acceleration? 007 qmult 00282 1 3 1 easy math: work lifting ostrich Extra keywords: physci KB-93-21
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