Answer :
Final answer:
The increase in acceleration of the wagon up an incline due to an additional wind force can be understood through Newton's second law, though the exact change in acceleration cannot be calculated without the mass of the wagon. Physics principles such as force summation and Newton's laws are key to understanding these dynamics.
Explanation:
To determine the increase in acceleration when a wagon is pulled up a 36.9-degree incline at a constant rate with the effect of a 12 Newton wind force, we need to consider the net force acting on the wagon. Initially, the wagon is being pulled with a 50 Newton force, and with the addition of a 12 Newton wind force, the total effective force becomes 62 Newtons.
Assuming the mass of the wagon remains constant, the increase in acceleration can be found using Newton's second law (F = ma), where F is the force, m is the mass of the wagon, and a is the acceleration. Without the mass of the wagon, we cannot calculate the exact numerical value of the acceleration increase. However, the concept indicates that the acceleration of the wagon will indeed increase due to the added force from the wind. This example illustrates how forces combine to affect motion, a fundamental concept in physics.