[填空题]
A bicyclist of mass 65 kg (inclohcu:246m hvg qgwp+) udid+.qc 85yf :oqgm: 4lnsnij7 zng the bicycle) can coast down a 6.0$^{\circ} $ hill at a steady speed of 6.0 $\mathrm{~km} / \mathrm{h}$ because of air resistance. How much force must be applied to climb the hill at the same speed and same air resistance?
