A block of mass ?=2.80 kg is being pulled by a force ?⃗of magnitude 12.0 N on a horizontal, smooth (frictionless) surface. The force makes an angle ?=30.0° abovethe horizontal, as shown in the figure. 1. Find the magnitude of the normal force exerted by the surface on block. 2. Find the acceleration of the box. 3. If the box starts from rest, what would be its speed after it travels 2.00 m?

A block of mass ?=2.80 kg is being pulled by a force ?⃗of magnitude 12.0 N on a horizontal, smooth (frictionless) surface. The force makes an angle ?=30.0° abovethe horizontal, as shown in the figure. 1. Find the magnitude of the normal force exerted by the surface on block. 2. Find the acceleration of the box. 3. If the box starts from rest, what would be its speed after it travels 2.00 m?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter6: Applications Of Newton's Laws

Section: Chapter Questions

Problem 6.7CYU: Check Your Understanding A block of mass 1.0 kg rests on a horizontal surface. The frictional...

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