[填空题]
A bicyclist of mass 65 kg (including the bicycl ffx)s3is rn 3h5n dgt/zyh8-+e0hma.0j 7yxw5g mue6a 3gqeb6) 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?