Three horizontal forces act on a sled of mass : north

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

Problem

Three horizontal forces act on a sled of mass

8\,\text{kg}

20\,\text{N}

north,

12\,\text{N}

north, and

30\,\text{N}

south. Calculate the magnitude and direction of the sled's acceleration. (a)

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

north (b)

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

south (c)

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

north (d)

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

south