# Jack which makes the projectile object move. Specifically, tension

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Last updated: September 6, 2019

Jack ShumskiProfessor VerdeciaFire Technology 10220 November 2017 Physical Principle of a Catapult to The Fire ServiceA catapult does many different things that relate to different physical principles. The big physical principle of the catapult is it uses Newton’s first, second and third law.

In fact, also all three of Newton’s law can relate a lot to the fire service and how it operates. This essay will relate the physical principle of the catapult, to Newton’s laws and how it relates to the fire service. It addresses three main ideas: what Newton’s laws are, how Newton laws relate to the catapult and how do Newton’s laws relate to the fire service.

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This will pinpoint main ideas of the fire service and how Newton’s laws are used every day in the service. Knowing how catapults and Newton’s laws work, could greatly help the fire service in everything it does on the fire ground.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. That objects will remain in their state of motion unless a force acts to change the motion. Newton’s First Law relates to the catapult. The arm of the catapult is pulled back and let go, this causes a change in motion, which makes the projectile object move.

Specifically, tension and elastic force put the object into motion when the arm is released, by causing an unbalanced force. Newton’s second law states that the acceleration of an object as produced by a force is proportional to the magnitude of the force, in the same direction as the force, and proportional to the mass of the object. Catapults are one good way to learn about the relationship between force, mass, and acceleration. The mass and weight of the payload will affect the power distance of the launch also the less mass the payload has the more resistance it will get from air resistance. The force applied to the projectile object should also be applied to the catapult accept in the opposite direction. Although the ball accelerates a lot more than the catapult does, this is because mass is inversely proportional to acceleration. This is also why the catapult hardly moves at all because its mass is much larger.Newton’s third law states that for every action, there is an equal and opposite reaction.

This 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. Newton’s Third law of motion states that for every action force, there is a reaction force that is equal in strength and opposite in direction.

The catapult arm is pushing up on the elastic bands with a lot of force, but my hand is pushing back, in the opposite direction, making the catapult arm move downwards. Only when I remove my hand and the elastic takes that force and moves the arm up, will you have the greater force.     Newton’s laws applied to firefighting because they use energy to climb the ladder, jump and to lift. The energy that the firefighting will be using is pushing, pulling and more. Also, Newton’s first law can be played into the4 fire ground. Wind can make the fire move, causing it to spread.

The wind is the force pushing the fire to move in different directions. When a firefighter Is using a hose, depending on the pressure being sent through the nozzle is depending on how effective the water will be on putting the fire out, for strength and distance. Also, depending on the heat index of the fire determines if the water will evaporate instead of hitting the fire. So, the force of the water coming from the nozzle has to be very strong. Another, force of the water when coming out of the hose is greater than the resistance of someone holding the hose. If there is greater water pressure coming out of the hose, then the person back of the hose will move backward.

Lastly, when there is a fire, by putting water on it, the fire will go out. If you put water on an electrical fire then it will spark and regenerate into an explosion making it worse. So, with that, you will need a special type of fire extinguisher. For every action, there’s an equal and opposite reaction.    Catapults do many different things that can relate to different physical principles. The main three physical principle of the catapult is that it uses Newton’s first, second and third law. In fact, all three of Newton’s law can relate a lot to the fire service and how it operates. This essay related the physical principle of a catapult, to Newton’s laws and how it relates to the fire service.

It addressed three main ideas: what Newton’s laws are, how Newton’s laws relate to the catapult and how does newton’s laws relate to the fire service. This pinpointed the main ideas of the fire service and how Newton’s laws are used every day in the fire service. Knowing how catapults worked related to how Newton’s laws work and then related to how it could greatly help the fire service in everything it does on the fire ground.