obtaininformation about commonly used gadgets or devices which are based on the principles of Newton's Law of Motion
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What are some commonly used gadgets and device based on Newton's law of motion?
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Krittika Ghoshal (Das), B.Sc Zoology Honours, Chandernagore Government College (2018)
Answered May 11, 2018
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Newton's First Law states that " every object which is at rest or uniform motion continues to be in state of res or uniform motion unless compelled to change its state by action of net force."
Example:A space craft far from any source of gravity would need no thrust to keep it moving at a constant speed in a given direction.Once set in motion, it continues to move forever without propulsion since there is no friction is space.
Second law of motion " Rate of change of momentum of the body is directly proportional to the force acting on it."
Example:Fielder in a cricket match pulls his hand backwards to reduce impact of impulse force
.Working of air bags to prevent the time of injury.
Objects in our room remain as it is unless a force as on it act.
If we shake a tree, the fruits at rest will fall down.
Third law of motion states " For every action there is equal and opposite reaction "
Example:
Working Principle of Rocket.
Recoil of a gun.
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Viraj Anand, studied at DAV Public School, Hehal, Ranchi
Answered Jan 4
Originally Answered: Which commonly used gadgets are based on Newton's law of motion?
Newton’s First Law of Motion
An object at rest tends to stay at rest and an object in motion tends to stay in motion. However either can be changed due to an application of force.
This law is essentially Galileo’s concept of inertia and is known simply as the Law of Inertia. Newton stated this law to set the parameters for his next two laws. I’ll use a Fidget Spinner for an example. Before spinning, the object would likely not start spinning on it’s own! However, after spinning one, it would continue to spin forever if it were not for the effects (forces) of friction and gravity. It would be interesting to see an astronaut try this experiment while in space!
2. Newton’s Second Law of Motion
Force equals Mass times Acceleration F=ma
This law explains the connection between the mass of an object, the acceleration and the resulting force. This equation also works backwards to determine the mass or acceleration of an object. For an example let’s use two vehicles on a crash-test course to determine their differences in force during impact. Let’s say Vehicle 1 is a Military Hummer with a weight of 7,700 lbs and Vehicle 2 is a Smart Car with a weight of 3,000 lbs. It seems we all know which would have more force but how do we reach that conclusion? Can Vehicle 2 impact with more force than Vehicle 1? Newton’s Second Law tells us. Lets take a look. Vehicle 1 weighing 7,700 lbs traveling at 60 mph will hit the wall dealing a force of 462,000 N. Vehicle 2 traveling at the same speed will only deliver 180,000 N of force. For Vehicle 2 to exert the same amount of force on the wall it would need to be traveling at 154 mph. That’s over twice as fast!
3. Newton’s Third Law of Motion
For every action there is an equal and opposite reaction
This Law is pretty easy to understand. Newton is telling us that for each and every force between two objects there is another force in the opposite direction of equal magnitude. An example of this is Newton’s Cradle. The cradle holds 5 balls of equal weight and size suspended from a foundation. If one ball is lifted and released it will hit the other four motionless ball and stop. However, the force will travel through three of the balls and cause the fourth to swing into the air as if you had pulled it up like the first! This scientific gadget can be used in different ways to yield different results (such as lifting two, three or even four of the balls). However, the law still remains the same. What we learn is that the ball that stops exerts its force toward the other four while at the same time the four exert a force on it.
Hope this helps.
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56 ANSWERS

Krittika Ghoshal (Das), B.Sc Zoology Honours, Chandernagore Government College (2018)
Answered May 11, 2018
Continue Reading
Newton's First Law states that " every object which is at rest or uniform motion continues to be in state of res or uniform motion unless compelled to change its state by action of net force."
Example:A space craft far from any source of gravity would need no thrust to keep it moving at a constant speed in a given direction.Once set in motion, it continues to move forever without propulsion since there is no friction is space.
Second law of motion " Rate of change of momentum of the body is directly proportional to the force acting on it."
Example:Fielder in a cricket match pulls his hand backwards to reduce impact of impulse force
.Working of air bags to prevent the time of injury.
Objects in our room remain as it is unless a force as on it act.
If we shake a tree, the fruits at rest will fall down.
Third law of motion states " For every action there is equal and opposite reaction "
Example:
Working Principle of Rocket.
Recoil of a gun.
40.3k Views · View Upvoters · View Sharers
Upvote· 2829
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Viraj Anand, studied at DAV Public School, Hehal, Ranchi
Answered Jan 4
Originally Answered: Which commonly used gadgets are based on Newton's law of motion?
Newton’s First Law of Motion
An object at rest tends to stay at rest and an object in motion tends to stay in motion. However either can be changed due to an application of force.
This law is essentially Galileo’s concept of inertia and is known simply as the Law of Inertia. Newton stated this law to set the parameters for his next two laws. I’ll use a Fidget Spinner for an example. Before spinning, the object would likely not start spinning on it’s own! However, after spinning one, it would continue to spin forever if it were not for the effects (forces) of friction and gravity. It would be interesting to see an astronaut try this experiment while in space!
2. Newton’s Second Law of Motion
Force equals Mass times Acceleration F=ma
This law explains the connection between the mass of an object, the acceleration and the resulting force. This equation also works backwards to determine the mass or acceleration of an object. For an example let’s use two vehicles on a crash-test course to determine their differences in force during impact. Let’s say Vehicle 1 is a Military Hummer with a weight of 7,700 lbs and Vehicle 2 is a Smart Car with a weight of 3,000 lbs. It seems we all know which would have more force but how do we reach that conclusion? Can Vehicle 2 impact with more force than Vehicle 1? Newton’s Second Law tells us. Lets take a look. Vehicle 1 weighing 7,700 lbs traveling at 60 mph will hit the wall dealing a force of 462,000 N. Vehicle 2 traveling at the same speed will only deliver 180,000 N of force. For Vehicle 2 to exert the same amount of force on the wall it would need to be traveling at 154 mph. That’s over twice as fast!
3. Newton’s Third Law of Motion
For every action there is an equal and opposite reaction
This Law is pretty easy to understand. Newton is telling us that for each and every force between two objects there is another force in the opposite direction of equal magnitude. An example of this is Newton’s Cradle. The cradle holds 5 balls of equal weight and size suspended from a foundation. If one ball is lifted and released it will hit the other four motionless ball and stop. However, the force will travel through three of the balls and cause the fourth to swing into the air as if you had pulled it up like the first! This scientific gadget can be used in different ways to yield different results (such as lifting two, three or even four of the balls). However, the law still remains the same. What we learn is that the ball that stops exerts its force toward the other four while at the same time the four exert a force on it.
Hope this helps.
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