Air Force Base

“field” associates a physical quantity with a position. It may be time dependent. For example, T(r ⃗,t ) can represent the spatial and time-dependent temperature and ρ(r ⃗,t ) the density. These are examples of scalar valued fields. On the other hand, force or flux are examples of vector valued fields. Furthermore, stress is an example of a rank-two tensor field. Material Point notion If we consider a body with volume ”V” which separates parts of a physical space with its surface “A”, the…

Isaac Newton’s Laws of Motion and Crumple Zones Crumple Zones design and function The crumple zone is the front and the rear of a motor vehicle that is designed to crumple without difficulty and to absorb the force of the impact in a crash. Crumple zones are also known as crush zones and they absorb energy in a crash so that it doesn’t transmit to the occupants as much. The zones are now made in cars to prevent death for occupants or serious injuries when in a crash. The front of the vehicle…

In physics, net force is the overall force acting on an object. This equation is written as follows: Fnet = Fthrust-Fg. The Fthrustis the force which makes an object move. In the case of the bottle rocket, the fuel being ejected from the rocket’s nozzle is thrusting the rocket into flight. In order to calculate Fnet, Fthrust & Fgmust…

causes lifters to struggle to get the weights off the floor, but makes lockout easy. One thing to be cautious of when conducting a conventional style deadlift is shear force from hyper extending the lower back. (Ez) According to a study of two male regional powerlifting champions, research showed that there were greater L4-L5 shear forces and moments in the conventional group. The research also showed that hip and knee moments were not significantly different between the two deadlift styles,…

look at what factors drive the change process forward and what factors resist the change. Lewin’s force field analysis provides a method for evaluating these driving forces and resisting forces (Lindauer, 2015). This method identifies these driving forces and resisting forces and helps leaders develop methods for encouraging and promoting the driving forces while minimizing or reducing the resisting forces to change initiatives. The MSPAC identified the need for change nearly a decade ago. The…

Sorting capabilities are not tested. 4.2. RESULTS The balls had to be individually loaded into the device because the funnel was unable to handle the simultaneous loading of all the balls. After exiting the feed ramp, some balls were projected into the air due to their excessive speed. Nevertheless, the selector mechanism only allowed one ball to enter at a time. Servo 1 stopped rotating once the ball was over the load sensor. The…

A fluid in which the viscous stresses taken place from its flow at all the point are linearly proportional to the rate of change in its deformation over time is called Newtonian fluid. Newtonian fluid explains the relationship between the shear rate and the shear stress is linear with the proportionality constant, which is to be referred as the coefficient of viscosity. Non-Newtonian fluid is a fluid where the properties of fluid flow are not similar with Newtonian fluid. In Newtonian fluids,…

1) What are engineering stress and strain? Answer: Engineering Stress: Engineering stress is also called nominal stress, and it is defined as the applied load divided by the original cross sectional area of the material. Engineering Strain: Engineering strain is defined as the amount of material that deforms per unit length in a tensile test. Engineering strain is also known as nominal strain. 2) In the figure below, graphically show the toughness of three class materials:…

(a) Langmuir isotherm model Langmuir isotherm is based on the following assumptions: (a) each surface site can be singly occupied, (b) there are no lateral interactions between adsorbed species, (c) the enthalpy of adsorption is independent of surface coverage and (d) energy of adsorption is constant. The Langmuir isotherm is 2.5…

Experiment-1 Simple pendulum: Aim: The main aim of this simple pendulum experiment is to investigate the relationship between the time period of a simple pendulum (oscillation) and the effective length (total length) of the simple pendulum. The three variables in Experiment-1 Simple pendulum: Independent variable: The independent variable in this experiment is the length of the string of the pendulum that could be changed. Dependent variable: The dependent variable is the time period for one…