stoke penalty
Under normal circumstances, with your ball in the sand, if you touch the sand with your club and are not in the process of making a stoke (the downward motion of the club with the intention of hitting the ball) you incur a penalty for testing the sand. But since Tiger's ball was NOT in the sand when his club hit the sand he was not penalized. I think...please correct me if I'm wrong.
In the case of a place such as a penalty kick the ball can sit in a small plastic cradle or pile of sand.
After ou step out of a sand trap you should Use your club and gently scrape all sand back into the sand trap. Then you should use the rake and spread the sand evenly out.
No, you are not allowed to do so, you must not rake the bunker or smooth sand over with your feet, as this is deemed to be improved your stance or testing the ground conditions. You will get a two shot penalty for testing, if you do so.
This is known as casual water. You are allowed to take relief, you do so as follows, drop the ball anywhere in the bunker, no nearer the hole. You do so unless the course manager has designated the bunker Ground Under Repair, in which case you get a free drop out of the bunker.
Tap the bottoms of your shoes with your club so the sand goes back in the bunker and then rake the bunker with the rake provided.
yes
No, there is no penalty for throwing a club.
Yes, you can remove a stone from a sand trap on a golf course. You can do this by using a rake or your hands to carefully lift the stone out of the sand. Be sure to smooth out the sand after removing the stone to maintain the integrity of the trap.
If you drop a ball in sand, the sand particles will absorb some of the ball's kinetic energy, causing the ball to slow down faster than if it were dropped on a hard surface. The ball will also create an indentation in the sand as it lands, displacing some of the grains.
sand grain