Question

In the given scenario where the pendulum bob has a mass of 0.30 kg and is moving to the right at point B with a speed of 2.4 m/s, and air resistance is negligible:

What is the most likely physical quantity that can be conserved as the pendulum bob swings from point B to the highest point A?
a) Kinetic energy
b) Potential energy
c) Mechanical energy
d) Linear momentum

Answer 1

The most likely physical quantity that can be conserved as the pendulum bob swings from point B to the highest point A is potential energy.

Step-by-step explanation:

The most likely physical quantity that can be conserved as the pendulum bob swings from point B to the highest point A is (b) Potential energy.

In a simple pendulum, mechanical energy is conserved, which means the total energy of the system remains constant. The mechanical energy includes both potential energy and kinetic energy. As the bob swings from point B to point A, the kinetic energy of the bob decreases while its potential energy increases. At point B, the bob has maximum kinetic energy and minimum potential energy, while at point A, the bob has maximum potential energy and minimum kinetic energy. Therefore, potential energy is the most likely physical quantity that is conserved in this scenario.