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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).
The equal and opposite reaction in the force felt by the object pushing the box. E.g. if a person pushes a box the opposite force is the force felt on the hands
Thermal expansion of the combusting gases in the rocket nozzles (bottom of the rocket) pushes them against the outside air, and the equal-and-opposite reaction is to push the rocket upward.
Well, according to Newton's third law of motion, for every action there is an equal and opposite reaction, so when the gas pushes against the ground, the ground "pushes" back, forcing the rocket upwards.
Forces that are equal in magnitude but opposite in direction. For example, if you push against a brick wall and it doesn't move or become deformed, then the brick wall is exerting an equal force against you.
The energy from the fuel pushes against the ground, which (because every action has an equal and opposite reaction) pushes the rocket up.
The equal and opposite reaction in the force felt by the object pushing the box. E.g. if a person pushes a box the opposite force is the force felt on the hands
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).
Thermal expansion of the combusting gases in the rocket nozzles (bottom of the rocket) pushes them against the outside air, and the equal-and-opposite reaction is to push the rocket upward.
A rocket engine is a reaction engine as the fuel is burnt the thrust created pushes the rocket forward. Newton's 1st law in action; for every reaction there is a equal and opposite reaction.
Well, according to Newton's third law of motion, for every action there is an equal and opposite reaction, so when the gas pushes against the ground, the ground "pushes" back, forcing the rocket upwards.
Newton's Third Law states that "for every action, there is an equal and opposite reaction." And so the horse jumps by pushing against the earth in which the earth then pushes an equal and opposite amount of force on the horse which makes it goes up in the air.
Nope - it's something else that gets the "equal & opposite". When you walk the force that pushes you forward pushes the ground backwards.
Forces that are equal in magnitude but opposite in direction. For example, if you push against a brick wall and it doesn't move or become deformed, then the brick wall is exerting an equal force against you.
This is Newtons 3rd Law. "For every action force there is an equal and opposite reaction force." So, the action is your hand applying a force to the wall, and the reaction is the wall pushing back with an equal force.
The two forces ("action" and "reaction") act on different objects (you push against the Earth, the Earth pushes against you), so there is no guarantee that forces on one specific object (you, who do the walking) are always balanced.
third law of newton's law says''to every action there is an equal and opposite reaction''