Compared with novels, dramas are not told _______ by the authors but acted out by actors on a stage.[ ]

A. directly

B. generally

C. immediately

D. occasionally

如图所示，重量G＝100N的物体置于水平面上，给物体施加一个与水平方向成θ＝30°的拉力，F＝20N，物体仍处于静止状态，求：

（1）地面对物体的静摩擦力；

（2）地面对物体的支持力。