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Questions and Answers
What is the unit of measurement for energy in the International System of Units (SI)?
What is the unit of measurement for energy in the International System of Units (SI)?
- Joule (J) (correct)
- Watt (W)
- Volt (V)
- Newton (N)
According to the law of conservation of energy, what can be converted in form but not created or destroyed?
According to the law of conservation of energy, what can be converted in form but not created or destroyed?
- Mass
- Energy (correct)
- Velocity
- Force
Which form of energy is associated with chemical reactions?
Which form of energy is associated with chemical reactions?
- Chemical energy (correct)
- Radiant energy
- Kinetic energy
- Potential energy
What is the quantitative property that is transferred to a body or physical system, recognizable in the performance of work and in the form of heat and light?
What is the quantitative property that is transferred to a body or physical system, recognizable in the performance of work and in the form of heat and light?
What does the mass–energy equivalence suggest about any object that has mass when stationary?
What does the mass–energy equivalence suggest about any object that has mass when stationary?
Which type of energy is associated with the kinetic energy of a moving object?
Which type of energy is associated with the kinetic energy of a moving object?
What type of energy is stored in a solid object due to its deformation?
What type of energy is stored in a solid object due to its deformation?
What is the unit of measurement for energy in the International System of Units (SI)?
What is the unit of measurement for energy in the International System of Units (SI)?
What does the law of conservation of energy state about energy?
What does the law of conservation of energy state about energy?
What does the mass–energy equivalence suggest about any object that has mass when stationary?
What does the mass–energy equivalence suggest about any object that has mass when stationary?
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Study Notes
Energy Measurements and Definitions
- The unit of measurement for energy in the International System of Units (SI) is the joule (J).
- Energy can be converted from one form to another but cannot be created or destroyed, as stated by the law of conservation of energy.
Forms of Energy
- Chemical energy is the form of energy associated with chemical reactions, stored in the bonds of chemical compounds.
- The quantitative property transferred to a body or physical system is recognized as energy, evident in work performance, heat, and light production.
Mass-Energy Equivalence
- Mass-energy equivalence, articulated by Einstein's theory, suggests that any object with mass possesses energy, even when stationary.
Types of Mechanical Energy
- Kinetic energy is the type of energy associated with the movement of objects, calculated based on an object's mass and velocity.
- Potential energy stored in a solid object is known as elastic potential energy, resulting from its deformation.
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