Highlights00:00 ⏱️ In this video, we will cover important concepts and formulas of mechanical properties of solids chapter.01:15 ⏱️ Elasticity is a property of a body that is perfectly elastic and experiences an external force causing it to be stressed.04:30 ⏱️ Two basic concepts for elastic bodies are stress and strain, which develop a restoring force on the cross-section to bring it back to the original state.06:45 ⏱️ Change in length of the body is the strain, and the formula for strain is change in length divided by original length.08:20 ⏱️ The formula for stress is stress divided by area divided by change in length divided by original length.09:40 ⏱️ The formula for stress/strain is delta P/delta V/V, where P is pressure and V is volume.Key Insights💡 Elastic potential energy is stored in a stressed wire, and it can be calculated using the formula 1/2 times stress times strain.💡 The ratio of stress to strain is known as the proportionality constant, or the Young’s modulus, which is denoted by capital E.💡 The sharing stress is equal to stress divided by strain, and it can also be calculated using the formula F/A divided by delta x divided by L.💡 The potential energy stored in an elastic body can be written as half times capital E times delta x squared divided by L.💡 The energy density of elastic potential energy is given by the formula energy divided by volume, which is equal to capital U divided by V.💡 By replacing capital U with the formula for energy, we get the formula for energy density as 1/2 times capital E times delta x squared divided by L times V.💡 The formula for energy density can also be written as capital U divided by V, which is equal to capital E divided by volume

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Thank you sir for late time revision

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SummaryThis video will cover important concepts and formulas of mechanical properties of solids chapter in just 10 minutes, allowing for quick and effective preparation. It explains the concepts of stress, strain, and elastic potential energy.Highlights00:00 ⏱️ In this video, we will cover important concepts and formulas of mechanical properties of solids chapter.01:15 ⏱️ Elasticity is a property of a body that is perfectly elastic and experiences an external force causing it to be stressed.04:30 ⏱️ Two basic concepts for elastic bodies are stress and strain, which develop a restoring force on the cross-section to bring it back to the original state.06:45 ⏱️ Change in length of the body is the strain, and the formula for strain is change in length divided by original length.08:20 ⏱️ The formula for stress is stress divided by area divided by change in length divided by original length.09:40 ⏱️ The formula for stress/strain is delta P/delta V/V, where P is pressure and V is volume.Key Insights💡 Elastic potential energy is stored in a stressed wire, and it can be calculated using the formula 1/2 times stress times strain.💡 The ratio of stress to strain is known as the proportionality constant, or the Young’s modulus, which is denoted by capital E.💡 The sharing stress is equal to stress divided by strain, and it can also be calculated using the formula F/A divided by delta x divided by L.💡 The potential energy stored in an elastic body can be written as half times capital E times delta x squared divided by L.💡 The energy density of elastic potential energy is given by the formula energy divided by volume, which is equal to capital U divided by V.💡 By replacing capital U with the formula for energy, we get the formula for energy density as 1/2 times capital E times delta x squared divided by L times V.💡 The formula for energy density can also be written as capital U divided by V, which is equal to capital E divided by volume.Please note that the translations provided may not be completely accurate as they are generated by an AI language model.

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Sir ap ese hi please class 12th ke videos bhi aayiye taki ham jaldi revision kar sakte please sir requesting you Apki videos bahut helpful hoti

Fluids chapter post kar do sir ❤❤

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