T3 F2013 9 30
... 5. A uniform beam of mass of 63 kg is supported in a horizontal position by a hinge and a cable, with angle θ = 60°. a. Draw a free body diagram for the beam. b. Write down three equations, two by balancing the forces, and one by balancing the torque. c. In unit-vector notation, what is the force on ...
... 5. A uniform beam of mass of 63 kg is supported in a horizontal position by a hinge and a cable, with angle θ = 60°. a. Draw a free body diagram for the beam. b. Write down three equations, two by balancing the forces, and one by balancing the torque. c. In unit-vector notation, what is the force on ...
Chapter 5 Work, Power and Energy
... • The choice is arbitrary since the change in the potential energy is the important quantity • Choose a convenient location for the zero reference height ...
... • The choice is arbitrary since the change in the potential energy is the important quantity • Choose a convenient location for the zero reference height ...
Energy - Triton Science
... 2. Food energy- measured in Calories (C) a. Nutrition labels on food packages tell us how many Calories or contained ...
... 2. Food energy- measured in Calories (C) a. Nutrition labels on food packages tell us how many Calories or contained ...
File
... or an object moving at constant speed and direction stays moving unless an unbalanced force acts on it to change its motion. 2nd Law: F=ma – force = mass x acceleration. If you throw a ball harder (more force), it will accelerate faster and go farther. 3rd Law: Action – Reaction. One object exerts a ...
... or an object moving at constant speed and direction stays moving unless an unbalanced force acts on it to change its motion. 2nd Law: F=ma – force = mass x acceleration. If you throw a ball harder (more force), it will accelerate faster and go farther. 3rd Law: Action – Reaction. One object exerts a ...
Potential Energy and Work Conservative/Non
... • In the case of a falling object (neglecting air friction), the gravitational potential energy is converted to kinetic energy as the object falls— maintaining constant total mechanical energy. • If we do include air friction, the total mechanical energy is not constant as the object falls, because ...
... • In the case of a falling object (neglecting air friction), the gravitational potential energy is converted to kinetic energy as the object falls— maintaining constant total mechanical energy. • If we do include air friction, the total mechanical energy is not constant as the object falls, because ...
Conservation of Energy Problems
... A waitress carries a 2 kg tray of plates and glasses at the same height for 35 m and constant speed. ...
... A waitress carries a 2 kg tray of plates and glasses at the same height for 35 m and constant speed. ...
Energy - Seymour ISD
... 1) Energy required for ride comes from work done by the conveyor that lifts the cars and passengers. 2) Energy from initial work is stored as GPE at the top of the first hill. 3) Energy transformations begin: kinetic to potential to kinetic, etc., heat energy, sound energy. ...
... 1) Energy required for ride comes from work done by the conveyor that lifts the cars and passengers. 2) Energy from initial work is stored as GPE at the top of the first hill. 3) Energy transformations begin: kinetic to potential to kinetic, etc., heat energy, sound energy. ...
WORK – ENERGY – POWER
... a body changes from one position or configuration to another is the work done against the gravitational or elastic forces during the change GRAVITATIONAL POTENTIAL ENERGY When we are lifting up a distance h an object, which has the mass m with constant speed, then we need to exert a force against th ...
... a body changes from one position or configuration to another is the work done against the gravitational or elastic forces during the change GRAVITATIONAL POTENTIAL ENERGY When we are lifting up a distance h an object, which has the mass m with constant speed, then we need to exert a force against th ...
Energy
... thermal energy of the water. To have a large thermal energy, an object must have (1) a high temperature (large v) & (2) many molecules and atoms (large m). ...
... thermal energy of the water. To have a large thermal energy, an object must have (1) a high temperature (large v) & (2) many molecules and atoms (large m). ...
PHYSICS 231 INTRODUCTORY PHYSICS I Lecture 6
... child and sled combo has a mass of 30 kg and the coefficient of kinetic friction is 0.15. For each case: What is the frictional force opposing his efforts? What is the acceleration of the child? f=59 N, a=3.80 m/s2 ...
... child and sled combo has a mass of 30 kg and the coefficient of kinetic friction is 0.15. For each case: What is the frictional force opposing his efforts? What is the acceleration of the child? f=59 N, a=3.80 m/s2 ...
What is Energy?
... – The work done by a force of one newton traveling through a distance of one meter; – The work required to move an electric charge of one coulomb through an electrical potential difference of one volt; or one coulomb volt, with the symbol C·V; – The work done to produce power of one watt continuousl ...
... – The work done by a force of one newton traveling through a distance of one meter; – The work required to move an electric charge of one coulomb through an electrical potential difference of one volt; or one coulomb volt, with the symbol C·V; – The work done to produce power of one watt continuousl ...
Document
... constant horizontal force F on a vine having a length 50 meters, and initially making an angle 50° with the vertical. (a) with what minimum speed must Jane begin her swing to just make it to the other side? (b) Once the rescue is complete, Tarzan and Jane must swing back across the river. With what ...
... constant horizontal force F on a vine having a length 50 meters, and initially making an angle 50° with the vertical. (a) with what minimum speed must Jane begin her swing to just make it to the other side? (b) Once the rescue is complete, Tarzan and Jane must swing back across the river. With what ...
Document
... THE LAW OF CONSERVATION OF ENERGY also states that: Energy must be put into a system to get energy out of a system. ...
... THE LAW OF CONSERVATION OF ENERGY also states that: Energy must be put into a system to get energy out of a system. ...
Second Law of thermodynamics
... • It is one of the great laws of physics • Its validity rests on experiments (such as Joule’s) in which no exceptions have been seen • Internal energy is the sum total of all the energy the molecules of the system. It is a property of a system like pressure, volume and temperature • Work and heat ar ...
... • It is one of the great laws of physics • Its validity rests on experiments (such as Joule’s) in which no exceptions have been seen • Internal energy is the sum total of all the energy the molecules of the system. It is a property of a system like pressure, volume and temperature • Work and heat ar ...
mechanical energy
... Law of Conservation of Energy 6. ________________________________________: Energy cannot be created or destroyed, but only changed from one form into another. thermal energy 7. _____________________: Internal kinetic energy due to the random motion of particles that make up an object. 8. mechanical ...
... Law of Conservation of Energy 6. ________________________________________: Energy cannot be created or destroyed, but only changed from one form into another. thermal energy 7. _____________________: Internal kinetic energy due to the random motion of particles that make up an object. 8. mechanical ...