Answer:
According to Newton's first law of motion Trumpet will remain at rest state unless Andrew applies a net force different of zero.
Explanation:
Andrew plays trumpet in the concert band. He holds the instrument still at his side until it is time for him to play.Later, he mover the trumpet up to his mouth and starts to play.
Firstly, the trumpet is at rest stays with zero movements, zero velocity, and zero acceleration. The trumpet remains in this state due to Newton's first law of motion: An object at rest remains at rest and an object in motion stays in motion with the same speed and the same direction unless acted upon by an unbalanced force. As there is no net force acting on the trumpet, it remains in zero velocity.
Secondly, Andrew moves the trumpet. It means Andrew applied force to move the trumpet. Due to it, the body changed from the rest state to the movement state.
Finally, we can conclude that according to Newton's first law of motion Trumpet will remain at rest state unless Andrew applies a net force different of zero.
The molecules of air in the trumpet remain at rest according to Newton's first law until Andrew applies force by blowing into the trumpet.
Trumpet is a wind instrument. The instrument is played when a mass of air is made to move by blowing into the instrument.
The mass of air inside the trumpet continue in its state of rest in accordance with Newton's law until Andrew started applying force by blowing into the trumpet.
According to Newton, a body will continue in its state of rest or uniform motion unless it is acted upon by an external force.
The external force in this case was applied by Andrew when he blew into the trumpet causing the mass of air to move.
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