Physics

Problem

5\,\text{kg}

block rests on a smooth plane that makes an angle of

30^\circ

with the horizontal. A horizontal force

P

acts on the block toward the plane such that the block remains in equilibrium. (Take

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

.) The magnitude of

P

is closest to a)

35\,\text{N}

29\,\text{N}

22\,\text{N}

25\,\text{N}