Explain Newton's
1st law
2nd law
3rd law with examples
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Newton's First Law states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force. It may be seen as a statement about inertia, that objects will remain in their state of motion unless a force acts to change the motion.
eg: An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.
eg:Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.
Newton's third law is: For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object
eg: There are two forces resulting from this interaction - a force on the chair and a force on your body. These two forces are called action and reaction forces and are the subject of Newton's third law of motion. Formally stated, Newton's third law is: For every action, there is an equal and opposite reaction.
eg: An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.
eg:Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.
Newton's third law is: For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object
eg: There are two forces resulting from this interaction - a force on the chair and a force on your body. These two forces are called action and reaction forces and are the subject of Newton's third law of motion. Formally stated, Newton's third law is: For every action, there is an equal and opposite reaction.
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1st law : it states that an object will remain at rest unless an external force is applied on it .
example. a ball placed at floor will not move until any force is applied to it.
2nd law: it states that F =ma where f Is force m is the mass of body and a is the accerlation produced.
example force exerted on car is equal to the product of its mass and accerlation of the car .
3rd law: for every action their is equal and opposite reaction.
example if we place books on the floor, the books will exert force on floor and also experience the gravitational force of earth .
hope it helps ☺☺
example. a ball placed at floor will not move until any force is applied to it.
2nd law: it states that F =ma where f Is force m is the mass of body and a is the accerlation produced.
example force exerted on car is equal to the product of its mass and accerlation of the car .
3rd law: for every action their is equal and opposite reaction.
example if we place books on the floor, the books will exert force on floor and also experience the gravitational force of earth .
hope it helps ☺☺
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