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

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

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

(b)

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

(c)

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

(d)

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