1. The only force acting on the object in projectile motion is

a. acceleration b. friction

c. air resistance

d. gravity

2. Projectile motion consists of which coordinate?

a. X, Z

3. Which coordinate is a. X

b. Z, Y

horizontal?

b. Z

C. X, Y

c. Y

d. Y, Z

d. all of the above

4. Which of the following is NOT considered a projectile motion problem?

a. A football rolling down a hill. b. A golf ball on a tee struck by a player.

c. A cannon ball shot towards a castle wall. d. All should be solved as projectile motion problems.

5. Acceleration can be defined as the rate at which an object changes its position.

a. true
b. false
c. both a & b
d. none of the above

Thank you for answering ​