Introduction to projectile motion

Which of the following describe a projectile motion?

• A motion in a straight line.

• A motion that follows a circular path.

• A motion that is not influenced by gravity.

• A motion that is influenced by gravity and horizontal velocity.

What are the two components of the projectile motion?

• Backward and Forward

• Downward and upward

• Horizontal and Vertical

• Inner and outward

Which of the following causes the object in a projectile motion to move downward?

• Acceleration

• Gravity

• Momentum

• Speed

Which of the following refers to the horizontal distance travelled by an object in a projectile motion?

• Gravity

• Height

• Parabola

• Range

Which is not an example of a projectile motion?

• Diving

• Throwing a ball

• Water fountain

• 300 meter dash

Why does the horizontal component of a

projectile’s motion remain constant?

• Because no force acts on it vertically.

• Because no force acts on it horizontally.

• Because force acts on it horizontally.

• Because force acts on it vertically.

Why does the vertical component of a projectile’s motion undergo change?

• Because velocity is pulling it downward

• Because gravity is pulling it downward.

• Because gravity is pushing it upward

• Because gravity is pulling it horizontally.

A projectile is launched vertically at 100 m/s. If air resistance can be neglected, at what speed does it return to its initial level?

• 1 m/s

• 10 m/s

• 100 m/s

• 1000 m/s

The path of a projectile is called ____________.

• Parabola

• Height

• Range

• Trajectory

What is the constant value of gravity?

• 9.8 m/s²

• 98.0 m/s²

• 198.0 m/s²

• 980 m/s²