laws of motion 9th claas notes of Maharashtra board
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NEWTON'S LAW OF MOTION :
1. FIRST LAW (Law of inertia)
=> this law says that every object tends to remain in its rest or in motion condition unless any external force is applied to it. this tendency is known as inertia. hence , the first law of motion is called that law of inertia.
2. SECOND LAW
=> this law says that force is directly porportional to mass and acceleration of the object.
3. THIRD LAW
=> this law states that fir every action there is a equal & opposite reaction.
1. FIRST LAW (Law of inertia)
=> this law says that every object tends to remain in its rest or in motion condition unless any external force is applied to it. this tendency is known as inertia. hence , the first law of motion is called that law of inertia.
2. SECOND LAW
=> this law says that force is directly porportional to mass and acceleration of the object.
3. THIRD LAW
=> this law states that fir every action there is a equal & opposite reaction.
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Explanation:
a a body is said to be motion if it change its position with respect to its surrounding and at rest otherwise.
first law of motion :- an object continues to remain at rest or in a state of uniform motion along a straight line unless an external Q force acts on it.
second law of motion :- the rate oDF of momentum in proportional to the appliedqqqqttq force and the change of movemetum occurs in the direction of the force.
third law of motion :- every action force hrtf1Qas an equal and opposite reaction force which acts simultaneously.
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