A skater of mass pushes backward on the ice with a horizontal force of

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

A skater of mass

60\,\text{kg}

pushes backward on the ice with a horizontal force of

90\,\text{N}

. The coefficient of kinetic friction between the skates and the ice is

0.05

. Take

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

. What is the skater’s acceleration? (a)

2.0\,\text{m}\,\text{s}^{-2}

(b)

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

(c)

0.5\,\text{m}\,\text{s}^{-2}

(d)

1.5\,\text{m}\,\text{s}^{-2}