A car of mass climbs a straight road inclined at to the horizontal with a steady speed of

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

Problem

A car of mass

1000\,\text{kg}

climbs a straight road inclined at

5^{\circ}

to the horizontal with a steady speed of

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

. The air resistance acting on the car is

800\,\text{N}

. Determine the driving force required parallel to the road. (a)

800\,\text{N}

(b)

9800\,\text{N}

(c)

1656\,\text{N}

(d)

856\,\text{N}