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Elevator Up Essay

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Elevator Up
The objective of this experiment was to increase understanding of Newton’s Law of Motion and its application.
The Newton’s law of motion is divided into 3 laws. According to (Mcginnis, 2005) the first law of motion is known as inertia. The first law states that an object at rest or an object in motion stays in motion with same speed and in the same direction unless an outside force unbalances that object. (Mcginnis, 2005) States the second law of motion is when acceleration is produced when force acts on mass. The greater the mass of an object the greater force applied to accelerate the object. According to (Mcginnis, 2005) the third law of motion is for every action there is an equal opposite reaction. This means that for every force there is a reaction force that is equal in size, but in the opposite direction. In a group we carried out 3 experiments to test these laws.
The first experiment required a person to stand on the scale and apply pressure to the scale without the use of limbs and see Newton’s first and third law of motion in practice. According to Nasa ‘Flight Testing Newton’s law’ ( Holen, Nickel, & Tichenor, 1999) they explain Newton’s first and third law. For example a body in motion is precisely what seat belts are designed to restrain. Seatbelts are there to save lives by preventing the vehicle occupant from continuing forward when the vehicle suddenly stops. The tendency for the occupant to continue forward but an external force which acts upon the body comes in the form of a seatbelt.
In the second experiment a subject had to stand on a scale and perform a movement of a squat there by testing Newton’s second law. The results were that the scale readings changed depending on the direction of the squat. According to (Mcginnis P. M., 2005) an example of this law is a projectile and its vertical acceleration. If the only force on a projectile is the downward force of gravity, then the acceleration of the...

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