Forms of Energy. sound energy thermal energy electric energy radiant energy nuclear energy. energy kinetic energy potential energy work mechanical energy. What is energy?. Energy is the ability to cause change. Energy can cause changes in the motions of objects.

ByWork, power and energy(2). Solutions. Q1. A pole-vaulter has a mass of 50kg. (a) What is her weight in newtons?(g = 10N/kg). W = mg = (50)(10) = 500N. (b) If she vaults to 4 m high, what is her gravitational potential energy?. P.E. = mgh P.E. = (50)(10)(4) = 2000J.

ByLe WORK AND ENERGY Show!!!. Work is defined as a force that moves through a distance. The equation used to calculate work is: W=f d. If the 60kg cart is moved 20m to the right by a force of 300N, the work done to move the cart this distance is: W=fd W=300N x 20m W= 6000Nm.

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Potential Energy and Principle of Conservation of Energy. Gravitational Potential Energy. is the energy that an object of mass m at a distance y from the earth has due to the gravitational attraction between the object and the earth. Conservation of total mechanical energy

Gravitational Potential Energy. When we are close to the surface of the Earth we use the constant value of g. If we are at some altitude above the surface of the Earth we must use the radially dependent form of the gravitational acceleration. Assumes constant g!. 0. 0.

Gravitational Potential Energy. Gravitational Potential B Fg = mg Gravitational Potential A The particle with a given mass will have more G.P.E at pt B than at pt A. ground. ground. Gravitational Potential Energy. ground.

20 November 2014. Gravitational Potential Energy. Keywords : Power, Energy, Weight, Force. Outcomes. All students should be able to compare different objects’ gravitational potential energy. Most students should be able to describe what affects an objects’ gravitational potential energy.

The energy associated with the position of a mass above a reference in a gravitational field. The amount of capable work that a mass can accomplish due to its position in a gravitational field. Gravitational Potential Energy. m. GPE=mgh. GPE=gravitational potential energy.

Gravitational Potential Energy. When you have previously considered gravitational potential energy, you would have used the equation:. ∆G.P.E = mg∆h. Consider a monkey climbing 2 metres up a tree.

Gravitational Potential Energy Storage. Byron Mui. Overview. Storing/Releasing of energy via changing the altitude of mass Stored Gravitational Potential Energy Released via Kinetic Energy Load Balancing Reduce Intermittence. Mass Type.

Potential Energy Conservative Forces Gravitational Potential Energy Elastic Potential Energy Conservation of Mechanical Energy Work Done by Kinetic Friction (Non-Conservative Forces) Conservation of Energy (General) Isolated Systems Power Reading Energy Diagrams

Gravitational potential energy. Conservation of energy. 2. Definition:. h. 1.

gravitational potential energy & kinetic energy. consider a wrecking ball that is raised and then dropped to destroy an old building as it is raised up it gains gravitational potential energy (E g ) due to the force of gravity pulling down on it