M X G Physics

Potential Energy 30135 Joules 2. Maximum height hmax Vy.

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28102014 The equation is F Gm1m2 r2.

M x g physics. W R FdS Kinetic energy. X m mg F FIG. G g fractextWtextm g W.

U gravitational mgh. ΔE p m g Δh Elastic Potential Energy Describes the energy stored in a springy object when you stretch or squash it GPE weight x change of height J N x m Energy Transfer Energy can not be created or destroyed only transformed. Projectile range R 2 x Vx x Vy g 5.

2 x g Launching an object from an elevated position initial height h. PE m x h x g Substitution. Fg g m 750 kg m 784 N g 750kg 10.

Since mass x gravity weight GPE weight x height. Now in this unit a second equation has been introduced for calculating the force of gravity with which an object is attracted to the earth. D 2 xdt 2 gLx 0.

H PE m x g Where m Mass g Acceleration of Gravity. V min bottom p 5gl. AQA Physics Energy Physics.

The unit of potential energy is Joule. Total Energy E U K. Work Power and Energy Work.

X Nkg x m Equation Number 11. Weight is the force gravity is the acceleration. W m x g.

Time of flight t 2 x Vy g 4. GPE mass x gravity x height. Horizontal velocity component Vx V x cos α 2.

It is a little harder to determine what should be plotted on the x axis M or a. Weight force m x g 60 x 98 588 N. But recall we have.

For example the GPE of a rock that has a mass of 75kg and is raised to a height of 40 metres is. In Physics the most commonly formed potential energy is Gravitational Energy. U spring 1 2 kx 2.

You see for a pendulum w gL 12 2pf 2pT. For a spring with F -kx The potential energy function U 12 kx 2. T 2ˇ q lcos g mg T l 14.

Springs connected in parallel. The gravitational field constant g 980 Nkg. An object of mass 1025kg has 263 J of energy at a particular height.

Painful if you are trodden on. This is over a million pascals. GPE 75 x 10 x 40 3000J.

F centrifugal mv2 r Minimum speed to complete vertical circle. Single spring From the free-body diagram in Fig. Compare this with the general formula F m x a.

For mass-spring equation d 2 xdt 2 kmx 0 For mass spring w km 12. Vertical velocity component Vy V x sin α 3. H PE m x g Where m Mass g Acceleration of Gravity h Height Gravitational Acceleration of the earth is 98 msec2.

5 Nkg g Therefore 105 ms2 a m 1200 kg g 98 Nkg on earth therefore g on the moon is 1698 ms2 163 ms2 Fg mg. This equation is important. Weight is the force of gravity pulling on a mass.

W FS FScos. Iii CODATAs latest set released in 2010 recommended a value for G of 6673 84 80 x 10 -11 m 3 kg -1 s -2 compared to its previous result from 2006 of 6674 28. To compare the physics formula with the straight-line equation write the equation of the line above the formula as shown below y m x b 3a.

It is a concise statement of Isaac Newtons Second Law of Motion holding both the proportions and vectors of the Second Law. Stiletto pressure P A 588 00005 1 176 000 12 x 10 6 Pa. PE 025kg x 123m x 98ms.

M fractextWtextg m W. Weight is a force so it is measured in Newtons not kilograms. GPE m x g x h.

This equation is important. In Unit 2 of The Physics Classroom an equation was given for determining the force of gravity F grav with which an object of mass m was attracted to the earth F grav mg. F Ux for conservative forces.

Vertical velocity component Vy V x sin α 3. On Earth the force of gravity is 10 Nkg. V min top p gl Conical pendulum.

This equation is one of the most useful in classical physics. The net force on an object is equal to the mass of the object multiplied by the acceleration of the object. Weight mass x gravity.

When the object starts to fall GPE is transferred into KE. Because F mg kx k can be determined as the slope k gΔmΔx from the experimentally obtained m vs. W m x g.

G 245 N m 98 Nkg 25 kg m F 784 N Fg mg g a. F M a Clearly the force F the weight of the hanging mass must be plotted on the y axis. 1 F -mg - kx symbols in bold type are vectors where x is the displacement from the natural equilibrium length of the vertical spring.

Gravitational Acceleration of the earth is 98 msec2. Stiletto area 25100 x 20100 00005 m 2. K 1 2 mv 2 p2 2m Potential energy.

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