SaraNextGen.Com


Statement 1:

According to law of conservation of mechanical energy change in potential energy is equal and opposite to the change in kinetic energy

Statement 2:

Mechanical energy is not a conserved quantity

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True


Question ID - 52138 | Toppr Answer

Statement 1:

According to law of conservation of mechanical energy change in potential energy is equal and opposite to the change in kinetic energy

Statement 2:

Mechanical energy is not a conserved quantity

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True

1 Answer - 5876 Votes

3537

Answer Key : (c) -

(c)

For conservative forces the sum of kinetic and potential energies at any point remains constant throughout the motion. This is known as law of conservation of mechanical energy. According to this law,

Kinetic energy + Potential energy = constant

Or,  or,



SaraNextGen