Which of the following statements about projectile motion is not correct?


a)The acceleration is constant and in one direction.
b)The only force is gravity.
c)In projectile motion, the motion can be broken down into perpendicular components that are interdependent.
d)All of these statements are correct.

d)All of these statements are correct.

Option a is not correct

The correct answer is d) All of these statements are correct.

To determine which statement about projectile motion is not correct, let's analyze each option:

a) The statement "The acceleration is constant and in one direction" is correct for projectile motion. The acceleration in projectile motion is constant due to the force of gravity, and it acts in the vertical direction.

b) The statement "The only force is gravity" is also correct. In projectile motion, the only significant force acting on the projectile is gravity. Other forces, such as air resistance, are typically considered negligible.

c) The statement "In projectile motion, the motion can be broken down into perpendicular components that are interdependent" is also true. The motion of a projectile can be separated into horizontal and vertical components, which are independent of each other but still interact to determine the overall motion of the projectile.

d) Based on the analysis so far, we can conclude that all of the statements mentioned are correct.

Therefore, the correct answer is d) All of these statements are correct.