Projectile Motion

Projectile motion is the motion of an object thrown or projected into the air, subject to only the acceleration of gravity.

• True

• False

Which of the following factors can influence the movement of a projectile?

• Initial velocity

• Air resistance

• Angle of launch

• All of the above

The Magnus effect is a phenomenon where a spinning object moving through a fluid creates a force perpendicular to the direction of motion. What is this effect commonly associated with?

• The lift of an airplane wing

• The curve of a spinning ball

• The buoyancy of a ship

• The drag on a car

Which of the following is an example of a projectile?

• A) Javelin

• B) Car

• C) Airplane

• D) Boat

What are the only forces that can work on a projectile once it is in the air?

• A) Gravity and air resistance

• B) Friction and tension

• C) Magnetic force and gravity

• D) Air resistance and friction

Gravity uniformly accelerates an object towards the ground at ____.

• 9.8 m/s²

• 5.5 m/s²

• 12.2 m/s²

• 7.3 m/s²

The term used to describe a projectile's flight path is called:

• Trajectory

• Orbit

• Course

• Route

List the three primary factors that influence projectile motion.

• Initial velocity, angle of projection, and air resistance

• Mass, color, and shape

• Temperature, humidity, and pressure

• Sound, light, and magnetism

At the apex of its trajectory, what is the vertical velocity of a projectile?

• Maximum

• Zero

• Constant

• Increasing

Fill in the blank: The optimal angle for a long jump is between ____.

• 18 and 25 degrees

• 10 and 15 degrees

• 30 and 35 degrees

• 40 and 45 degrees