Projectile Motion Lesson

What is the velocity of an object launched straight up at its highest point?

• zero

• equal to its v_x

• ½ its maximum value

• equal to gravity

What is the horizontal acceleration of a projectile in real life?

• 0 m/s²

• 9.8 m/s²

Tags

NGSS.HS-PS2-1

• A

• B

• C

• D

At what point is v_x= 0 m/s?

• A

• B

• C

• D

• None of these points

What do we call an object that moves as a result of two independent forces, one of which is its horizontal motion, and the other is due to gravity?

• Air resistance

• Friction

• Projectile

• Trajectory

Tags

NGSS.MS-PS3-1

What do we call the parabolic path that any object follows in a projectile motion?

• Air resistance

• Friction

• Projectile

• Trajectory

Tags

NGSS.MS-PS2-4

Which of the following is referred to as a change in position of an object with respect to a reference point?

• Force

• Motion

• Matter

• Energy

The path followed by a projectile is also known as its

• trajectory

• range

• height

• vertical displacement

Once a projectile is launched, what is the only force that affects its motion?

• mass

• friction

• inertia

• gravity

Tags

NGSS.MS-PS2-4

Which of the following statements about the horizontal and vertical components of projectile motion is true?

• Changes in the horizontal component occur only when the vertical component changes.

• Both the horizontal and vertical components are always constant.

• The vertical component changes while the horizontal component stays the same.

• The horizontal and vertical components are dependent of each other.