What is the scale reading while an elevator accelerates

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Reference no: EM1311466

Q1. Florence the dog who weighs 140 Newton's stands on the bathroom scale in an elevator. What is the scale reading while an elevator accelerates downward at 2.00 m/s^2?

Q2. When an object is rolling without slipping, rolling friction force is much less than the friction force when an object is sliding; the silver dollar will roll on its edge much farther than it will slide on its flat side. When an object is rolling without slipping on the horizontal surface, we can approximate friction force to be zero, so that and are around zero and and are approximately constant. Rolling without slipping means and. If an object is set in motion on the surface without these equalities, sliding (kinetic) friction will act on object as it slips until rolling without slipping is established. A solid cylinder with mass and radius, rotating with angular speed about an axis throughout its center, is set on the horizontal surface for which the kinetic friction coefficient is.

Reference no: EM1311466

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