A crate on a frictionless horizontal surface is pulled to the right by a force and…

PHYSICS · Single correct · CBSE · Physics · Force and Laws of Motion · Force and Laws of Motion

Problem

A 5.0 kg5.0\,\text{kg} crate on a frictionless horizontal surface is pulled to the right by a 12 N12\,\text{N} force and simultaneously to the left by a 7 N7\,\text{N} force. What is the magnitude of the crate’s acceleration? (a) 2.4 m ⁣/ ⁣s22.4\,\text{m}\!/\!\text{s}^2 (b) 0 m ⁣/ ⁣s20\,\text{m}\!/\!\text{s}^2 (c) 1.0 m ⁣/ ⁣s21.0\,\text{m}\!/\!\text{s}^2 (d) 3.8 m ⁣/ ⁣s23.8\,\text{m}\!/\!\text{s}^2

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