A skier descends a 20° slope: These forces are: (the unit here is 'newtons', abbreviated 'N') Fw: The force of gravity, directly downwards Fn: The 'normal force', applied diagonally-upwar
a) Fw = mg, Fn = mgcos(20°)
b) Fw = mgcos(20°), Fn = mgsin(20°)
c) Fw = mgsin(20°), Fn = mgcos(20°)
d) Fw = mgsin(20°), Fn = mg