Physics

Problem

A block of mass

4\,\text{kg}

is placed on a smooth horizontal table. It is connected by a light, inextensible string passing over a frictionless pulley to a hanging block of mass

2\,\text{kg}

. Take

g = 10\,\text{m s}^{-2}

. What is the tension in the string? a)

20\,\text{N}

26.7\,\text{N}

13.3\,\text{N}

6.7\,\text{N}