Answer :
The force applied on the rock is
[tex]100\ kg*10\ N/kg=1000\ N[/tex]
The energy transferred is the force times the distance:
[tex]E=1000\ N*0.75\ m=750\ J[/tex]
[tex]100\ kg*10\ N/kg=1000\ N[/tex]
The energy transferred is the force times the distance:
[tex]E=1000\ N*0.75\ m=750\ J[/tex]