Question

question 3 (1 point)
the quantity mgh is
the kinetic energy of the object.
the gravitational potential energy of the object.
the work done on the object by the force.
the power supplied to the object by the force.

Explanation:

• Kinetic energy is given by $\frac{1}{2}mv^2$, so the first option is incorrect.
• Gravitational potential energy (GPE) is defined as $mgh$, where $m$ is mass, $g$ is acceleration due to gravity, and $h$ is height. This matches the given quantity.
• Work done by a force is $Fd\cos\theta$, not $mgh$ in general (unless in specific gravitational work cases, but the formula $mgh$ is specifically for GPE).
• Power is work done per unit time ($P = \frac{W}{t}$), so the fourth option is incorrect.

Answer:

B. the gravitational potential energy of the object.