Which of the following is a true statement about energy?

a. energy can be created and destroyed.
b. energy is never created nor destroyed.
c. energy is easily created, but cannot be destroyed.
d. energy cannot be converted from one form to another.

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards

a 2,000 calorie based diet.