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Because you suck BALLS!!
While he's in the air, the reaction force is air resistance and when he's in the water the reaction force is upthrust. Hope this helps.
the boy pushing down
The answer is reaction. A simple example is you standing on the ground. You are not moving or accelerating (in our reference frame). You are pushing down against the ground with a force (the action) equal to your weight. The ground pushes back up (opposite direction) with an equal force (the reaction force).
I think you are talking about reaction force. An example is an object, say a cup, on a table. The cup is attracted to the centre of the earth by gravity and would accelerate if the table was not there. The table is in the way and produces a force in reaction to the cup pressing down on it.
Because you suck BALLS!!
While he's in the air, the reaction force is air resistance and when he's in the water the reaction force is upthrust. Hope this helps.
The diver at the top of a diving board has potential energy
Your weight pushing down on the chair is the action force. The reaction force is the force exerted by the chair that pushes up on your body
Your weight pushing down on the chair is the action force. The reaction force is the force exerted by the chair that pushes up on your body
the ball exerts a force on the bat creating action and in turn you apply a force that is greater than the action force. this is called the reaction force.
the boy pushing down
The details depend on what strange physics you make up, to replace the action-reaction force pairs.
Your weight pushing down on the chair is the action force. The reaction force is the force exerted by the chair that pushes up on your body
The answer is reaction. A simple example is you standing on the ground. You are not moving or accelerating (in our reference frame). You are pushing down against the ground with a force (the action) equal to your weight. The ground pushes back up (opposite direction) with an equal force (the reaction force).
I think you are talking about reaction force. An example is an object, say a cup, on a table. The cup is attracted to the centre of the earth by gravity and would accelerate if the table was not there. The table is in the way and produces a force in reaction to the cup pressing down on it.
I am a diver and have been brought up with an outdoor pool and now have an indoor pool. If there is any cracking in the fiberglass - you can see it on the diving board about 1/2 way down - I wouldn't use it anymore. If someone goes to dive and it breaks - depending on the weight and dive they are doing at the time - it may paralize them. Thanks, The Windsor-Browns