$1$ pts

A $5\mathrm{.}0-kg$ object slides down a frictionless surface inclined at an angle of $30$ from the horizontal. The total distance moved by the object along the plane is $10$ meters. The work done on the object by the normal force of the surface is:

$0$ kJ

$0\mathrm{.}50$ kJ

$0\mathrm{.}43$ kJ

$0\mathrm{.}58$ kJ

$0\mathrm{.}25$ kJ