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

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

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

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

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

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

  5. The acceleration is constant.

  6. The kinetic energy of the projectile is constant.

  7. The potential energy of the projectile is constant.

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

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

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

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

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

  13. The path of a projectile is a parabola.


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Updated: 26 September 2015

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