What force enables objects to reach the ground?

• Frictional Force

• Gravitational Force

• Magnetic Force

• Tension Force

What is the shape of the trajectory of a projectile?

• Circular

• Hyperbolic

• Elliptical

• Parabolic

Which of the following composed the two linear motions of a projectile?

• Horizontal and Circular Motion

• Horizontal and Vertical Motion

• Vertical and Circular Motion

• Vertical and Curvilinear Motion

What is referred to as an object that is given an initial velocity and is then acted solely upon by gravitational force?

• Project

• Projectile

• Target

• Trajectory

What do you call the path followed by an object under projectile motion?

• Project

• Target

• Projectile

• Trajectory

What happens to the vertical velocity of an object as it travels through the air?

• Changes continuously

• Gradually decreases

• Gradually increases

• Remains the same

What happens to the horizontal velocity of an object as it travels through the air?

• Changes continuously

• Gradually decreases

• Gradually increases

• Remains the same

If you throw a baseball straight up, what is its vertical velocity at the highest point?

• 0m/s

• 9.8m/s

• 0m/s2

• -9.8 m/s2

If a stone is horizontally launched at a certain height, how do you describe the magnitude of its vertical velocity as it approaches the ground?

• Changes continuously

• Gradually decreasing

• Gradually increasing

• Remains the same

What is the acceleration of a baseball thrown to the air at an angle of 45 degrees with respect to the horizontal as it returns to the ground?

• 0m/s

• 9.8m/s

• 0m/s2

• -9.8 m/s2