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Bail Trajectory

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rdhopkins2

rdhopkins2

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Oct 1, 2002
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Well, thought I'd throw this up in the air....maybe some cricket loving physicists might like to hypothesise.....

Q1: When a cricket ball hits the stumps and dislodges the bail/s, they can fly off in many directions and varying distances depending on the speed of the ball, angle and height that the ball hits the stumps. Explain this in physics.

Q2: On a perfect day with no wind, is it possible for a ball to hit the stumps, send the bails say a metre in the air only for them to lodge back in their set grooves on top of the stumps, resulting in an otherwise batsman being given not out despite being clean bowled?

Yes, 2 bizarre q's but I thought they needed to be asked:cool:
 
rdhopkins2 said:
cricket_444x470.jpg


Well, thought I'd throw this up in the air....maybe some cricket loving physicists might like to hypothesise.....

Q1: When a cricket ball hits the stumps and dislodges the bail/s, they can fly off in many directions and varying distances depending on the speed of the ball, angle and height that the ball hits the stumps. Explain this in physics.

Q2: On a perfect day with no wind, is it possible for a ball to hit the stumps, send the bails say a metre in the air only for them to lodge back in their set grooves on top of the stumps, resulting in an otherwise batsman being given not out despite being clean bowled?

Yes, 2 bizarre q's but I thought they needed to be asked:cool:
Click to expand...

in the above case, I think the leg bail will be drawn by the gravitational pull of the batsman...
 

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In regards of question 2 if the ball hits the stumps enough to send the bail flying a metre in the air it would have to be moving at a fair speed.
So while I think there is an outside possibility of the bail going straight up in the air and coming straight down the possibility of the stump being in the same position is probably rather less.
However I suppose if the ball hit the top of the stump right on the side of the bail and didn't move the stump and the ball was travelling at an angle of almost 90 degrees there is a possibility such a thing could happen.....
 
Someone call Einstein! These q's deserve a thorough physics experimental investigation ;)

I'd laugh if I ever saw 2 happen though.

I also presume it's fair to say that a bowler bowling at an unmanned set of stumps is more likely to bowl between the stumps each ball than when he has a batsman in front of him due to a mental thing.
 
Pretty much anything is possible. The stumps often 'whip' back and forth in the holes (earth is a bit springy). Depending on exactly what angle and speed the stumps are hit, the bails (which are held in a little groove, of course) can be 'flicked' anywhere.

I've seen them land in front of the stumps, even in front of the batsmen.

So it is possible for a bail to jump slightly and resettle back into it's groove (it's happened a few times when, for example, the off stump is hit hard, the leg bail may jump a bit, but not be dislodged). You sometimes see it on the slo-mo replays. Whether it could fly up into the air, do a somersault and land exactly back in the groove - well, just possible, yes. Let me know when the video is available.

I am sure there have been a few 'caught behinds' given when the ball has snicked the stump without dislodging the bail.
 

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blackhead&boil said:
when I was a junior I saw an occasion where a bail flew up into the air and landed back on the middle stump... :eek:
Click to expand...

I saw a ball go between the stumps once back in juniors.

The bowler was seriously one of the unluckiest cricketers I have ever played with. Every catch off his bowling would be dropped, every good ball would beat the bat.

Then one day he beat a batsman all ends up and the ball dead-set went between middle and off. The batsman couldn't believe his luck.

That same bowler gave the game away after u/14's...
 

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I don't know how to put it to you guys other than - - IT HAPPENED! GET OVER IT!



it's unlikely but not impossible. think of all the times you have seen something unusual happen on the cricket field and then open your mind...
 
I'm pretty sure I remember seeing the ball clip the stumps, causing the bail to wobble slightly, but ultimately fall back into the groove of the stump. Can't remember the game, but it's almost certainly on Youtube.

That's the closest example I can think of.
 
This will explain question 1

I. Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it.

II. The relationship between an object's mass m, its acceleration a, and the applied force F is F = ma. Acceleration and force are vectors; in this law the direction of the force vector is the same as the direction of the acceleration vector.

III. For every action there is an equal and opposite reaction.

Question 2. I guess it is possible.
 

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