For a body at rest, that's impossible. The only way that could happen is if you didn't take all the forces into account. You must have neglected friction (including air friction) or there is an error in the measurements.
Actually the answer to that question is pretty simple. Its because action and reaction are not on the same body, for eg: when a u kick a football the action is on the football which travels away, while the reaction is on your leg which hurts.
ANSWER2
Newton's Laws of motion involve Equilibrium,Conservation of Energy. The forces do not balance when there is not Equilibrium.
They do. Its just that the kicker is attached to the Earth while he kicks and very very small change of momentum in the Earth's total momentum is unnoticeable. In other word the force of the player's foot on the ball is greater than the force of the ball on the players foot.
Because the forces act on different bodies. If you draw a free-body diagram, you see that the action force acts on the ball, while the reaction force acts on the person himself. So they can't cancel each other!
They don't cancel because they are acting on different objects. The bat exerts a force (hitting) on the ball, and the ball exerts a force (pushing off) on the bat. If the ball were being pushed from two opposing directions, it would not move.
One of the forces is on the ball while the other is on your foot. Forces can only cancel out if they exist on the SAME body.
Newtons III Law doesn't just say 'for each action there is an equal and opposite reaction' added onto the end of it should be 'on a different body'.
When thinking about forces, you have to CONSTANTLY focus on two things:
1) what object is EXERTING the force.
2) what object is RECEIVING the force.
If object A is exerting a force on object B, then object B is exerting a force on object A. This is Newton's Third Law. NOTE THE PHRASING. The force FROM 'A' is ON 'B', but not ON 'A'. Thus, in this interaction, 'A' is receiving only ONE force -- the one FROM 'B'. Since there is only one force ON 'A' in this interaction, there is no force to cancel it out.
The game of soccer does not operate under its own unique physics. The forces involved are all absorbed and/or balanced as physical principles require.
Because the force is not equal , and when a ball is hit properly it increases velocity and momentum .
unbalanced forces
action reaction pairs
The action and reaction forces are the forces that cancel each other. They do not change an object motion or cause the object to accelerate.
Well in a single action-reaction pair, they cannot cancel out! The action and reaction forces act on different bodies. Lets say that we have a football. I kick it with 200 N of force. That is the action force, so the reaction force must be 200N(in the opposite direction) as well. The key here is that the reaction force did not act on the football, but on your foot! So the net force of the football is still 200 N in the direction I kicked it!Hope this helps some,-Sk Inventor
No there is no difference between action and reaction forces!
unbalanced forces
action reaction pairs
Never, they always cancel each other
The force's don't cancel out each other, they act on different objects. Forces can cancel only if they act on the same object.
Well, Professor Newton has taught that the reaction is always equal and opposite to the action, and we know that equal and opposite forces cancel each other. So it seems that the answer to the question must be: They always do.
The action and reaction forces act on different objects. For two forces to cancel each other - and provide a net force of zero, for Newton's First Law - they must act on the same object.
The action and reaction forces are the forces that cancel each other. They do not change an object motion or cause the object to accelerate.
The action and reaction forces do cancel each other out, so that there is a net force of zero. When you push on a wall, the wall does not move because the action force that you exert and the reaction force that the wall exerts are equal but opposite and the net force is zero.
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Well in a single action-reaction pair, they cannot cancel out! The action and reaction forces act on different bodies. Lets say that we have a football. I kick it with 200 N of force. That is the action force, so the reaction force must be 200N(in the opposite direction) as well. The key here is that the reaction force did not act on the football, but on your foot! So the net force of the football is still 200 N in the direction I kicked it!Hope this helps some,-Sk Inventor
In order to cancel out, they must act on the same object.
No there is no difference between action and reaction forces!