Explain first and third law of motion with examples
Answers
Answer:
1) Newton's first law of motion:
An object in rest will remain at rest and object in motion remains in motion unless and until external forces act on it.
Eg:1) A person standing in a bus falls back when sudden brakes are applied.
2) If you shake a tree the fruits fall because of inertia of rest.
3) The a person in a car in opposite direction at a sharp turn.
2) Third law of motion:
Newton's third law of motion explains that for each and every force applied there is a equal and opposing force.
Eg: 1) When you jump your legs apply
force to the ground them the
ground also applies force to your
legs.
2) when hit a wall the wall also
applies force to your hand.
3) if you blow a ballon and leave it's
air out it flies in air for sometime.
Explanation:
There are three Newton’s laws of motion. In these laws, he explained the relationship between forces acting on the body and the motion of the body. Newton’s three laws are as stated below:
An object continues to be under the state of uniform motion unless an external force acts on it.
Force is a product of mass and acceleration.
For every action, there is an equal and opposite reaction.
Newton's First Law
Newton’s first law of motion states that “A body at rest or uniform motion will continue to be at rest or uniform motion until and unless a net external force acts on it”. Suppose a block is kept on the floor, it will remain at rest until we apply some external force to it. Also, we know that it takes us more effort or force to move a heavy mass. This is directly related to a property known as Inertia. This law is also known as the law of inertia.
Newton’s Second Law of Motion:
The first law has already given us a qualitative definition of force. Now we are interested in finding out its magnitude. According to Newton’s second law of motion, the net force experienced by a body is directly proportional to the rate of change of momentum of the body.
Newton’s Second Law of Motion:
The first law has already given us a qualitative definition of force. Now we are interested in finding out its magnitude. According to Newton’s second law of motion, the net force experienced by a body is directly proportional to the rate of change of momentum of the body.
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