True or False questions on concepts and equations of a projectile with answers.

## Questions with answers

Answers by true or false

A projectile is launched. Assuming that air resistance is negligible, which of the following are true?

- Any object upon which the only acting force is the force of gravity is called a projectile.

- The projectile problem involves constant velocity along the horizontal direction and constant acceleration a in the vertical direction.

- The vertical component of the velocity of the projectile is constant.

- The horizontal component of the velocity of the projectile is constant.

- The acceleration is constant.

- The kinetic energy of the projectile is constant.

- The potential energy of the projectile is constant.

- The sum of the kinetic and potential energies is constant.

- The minimum speed of the projectile is equal to horizontal component of the velocity of the projectile.

- The horizontal component of the velocity of the projectile varies linearly with time.

- The horizontal component of the displacement of the projectile varies linearly with time.

- The vertical component of the displacement of the projectile varies linearly with time.

- The path of a projectile is a parabola.

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