The mass of a moving object increases, but its speed stays the same. what happens to the kinetic energy of the object as a result?

it decreases.

it increases.

it remains unchanged.

it fluctuates up and down.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.

Which one of the following terms is used to indicate the natural tendency of an object to remain at rest or in motion at a constant speed along a straight line? velocity acceleration equilibrium force inertia