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Assertion: According to law of conservat...

Assertion: According to law of conservation of machainical energy change in potential energy is equal and opposite to the change in kinetic energy
Reason: Mechanical energy is not a conserved quantity.

A

If both assertion and reason are true and reason is a the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If assertion is true and reason are false.

Text Solution

Verified by Experts

For conservative force the sum of kinetic and potential energies at any point remain constant throughout the motion This is knoen as law of coneservitive of metanical energy According to this law,
Kinetic energy + potential energy = constant
or `Delta K + Delta U = 0 or Delta K = - Delta U`
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