How are Newton’s second and third laws of motion important to your everyday life?

Answers

Answer 1

Answer: Well, first off, Newtons second law of motion deals with the motion of accelerating and decelerating objects.
We already know that from everyday life examples such as simply pushing a car that if 2 people push a car on a flat road it will accelerate faster than if one person was pushing it... Therefore, there is a relationship between the size of the force and the acceleration.
Now onto the third law of motion. First of all, what is the third law of motion? Well, a force is a push or a pull that acts upon an object as a results of its interaction with another object. Forces result from interactions! According to Newtons third law, whenever one object, and another object interact with each other, they exert forces upon each other. "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. So, how is this important to everyday life you may ask?
Well, the action-reaction force pairs are found everywhere in your body.
For example, right now as I am typing, my tendons are exerting forces on bones, and those bones exert reaction forces on the tendons, as muscles contract, pulling my fingers on the keys. I press on those keys, and they press back on my fingers. See? Since im pressing on the keys, the press back on me. Its opposite from eachother, as stated in the quite above. "For every action, there is an equal and opposite reaction."
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~I hope this helped :)

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During the course of trajectory the horizontal component of the velocity is; A) constant
B) increasing
C) decreasing
D) negative

Answers

The horizontal component of the velocity remains constant in a trajectory course.

Answer: A

Explanation:

The trajectory path is formed due to the gravitational pull acting on the object thrown from some point either upward or downward.

As it is known that the velocity is divided into horizontal and vertical component, the vertical component of the velocity of the object thrown will be mainly influenced by the gravitational pull as it acting in vertical direction only.

So the vertical component of the object following a trajectory path will be changing at a rate of 9.8 m/s2 which is the acceleration due to gravity.

On the other hand, the horizontal component of the velocity will remain constant in order to maintain the law of conservation of energy.

im not 100 percent sure but i think its a

The force against a solid object moving through a gas or a liquid

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This drag force is always opposite to the object's motion, and unlike friction between solid surfaces, the drag force increases as the object moves faster.

What is meant by gravitational field strength at a point in the gravitational field

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Answer:

Explanation:

The gravitational field strength at a point is the gravitational force exerted per unit mass placed at that point. This means that the gravitational field strength, g {\displaystyle g} is equal to the force experienced by a mass of 1 kg in that gravitational field.

The period of a 261 Hertz sound wave is

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That would be the result of 1/261

To calculate power, divide the amount of energy transferred by _____________

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Power is defined in physics as the quantity of energy transported or transformed per unit of time. To calculate power, divide the amount of energy transferred by time.

What is power?

Power is defined in physics as the quantity of energy transported or transformed per unit of time. The watt is the unit of power in the International System of Units, equivalent to one joule per second. Power is also referred to as activity in ancient writings. A scalar quantity is a power.

The formula for power is given as the ratio of energy transferred to the time taken.

Its SI unit is Watt, while the SI units for energy and time are seconds. Therefore, we can write,

Power = Energy transfer / Time taken

Joule = Watt / Second

Hence, To calculate power, divide the amount of energy transferred by time.

Learn more about Power here:

brainly.com/question/2289248

#SPJ2

P = E/t
where P is power, t is time in seconds and E is energy in joules

Warm blooded or cold blooded Animals are warm when their surroundings are warm and cool when their surroundings

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Your answer should be Cold Blooded Animals. Cold blooded animals don't have control over their own body temperature like humans or mammals do, most times cold blooded animals are reptiles, amphibians, etc. so they have to lay on rocks or someplace in the sunlight to warm up and have to go to water or shady areas to cool off. Hope this helps! =^-^=

Cold blooded animals

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