1. What is the shape of trajectory of a projectile motion

• Straight line

• Parabola

• Circle

• Spiral

Which component of velocity remains constant in projectile motion (no air resistance)?

• Vertical

• Horizontal

• Both

• None

• Maximum

• Zero

The time for a projectile to rise to its maximum height is equal to the time it takes to fall back down.

• True

• False

The acceleration of a projectile is zero at the top of its trajectory.

• True

• False