Physics

Problem

4\,\text{kg}

block on a friction-free horizontal table is pulled by a horizontal force of

12\,\text{N}

toward the right while another horizontal force of

4\,\text{N}

acts toward the left. Find the magnitude of the block’s acceleration. a)

3\,\text{m/s}^2

4\,\text{m/s}^2

2\,\text{m/s}^2

1\,\text{m/s}^2