Projectile Motion Quiz Review

An object is launched horizontally. Which of the following is true about the horizontal motion? Select two.

Tags

NGSS.HS-PS2-1

How do you know an object is in freefall?

• The object is falling.

• The object has air resistance.

• The only force present is the force of gravity.

• The object is moving upward in the air.

Tags

NGSS.HS-PS2-1

An object is launched horizontally. Which of the following is true about the vertical motion? Select two.

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

What is the best method to approach a projectile motion problem?

• Check the units of the answers.

• Create two kinematics charts: one vertical one, horizontal.

• Pick an equation.

• Use velocity divided by time.

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

To find the x-component of velocity V that is angled above the horizontal an angle θ, which equation should you use?

• V cosθ

• V sinθ

• cosθ

• sinθ

To find the y-component of velocity V that is angled above the horizontal an angle θ, which equation should you use?

• V cosθ

• V sinθ

• cosθ

• sinθ

At what point is v_y= 0 m/s?

• A

• B

• C

• D

• None of these points

Tags

NGSS.HS-PS3-2

At what point is v_x= 0 m/s?

• A

• B

• C

• D

• None of these points

Which vector pair (arrow pair) correctly represents the acceleration and velocity at point P?

• 
• 
• 
• 

Who do you agree with?

• Anita: “A projectile’s v_x changes because of gravity, and its v_y remains constant.”

• Barry: “Both v_x and v_y are constant.”

• Chris: “A projectile has no acceleration in the vertical dimension but it does accelerate horizontally.”

• Dave: “A projectile has vertical acceleration and a constant horizontal velocity”

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4