Projectile Motion Quiz

What is the path of a projectile called?

• Circle

• Trajectory

• Line

• Curve

Is projectile motion one dimensional?

• No

• Yes

• Maybe

• Sometimes

What force(s) is acting on the projectile?

• Magnetism only

• Air resistance only

• Gravity only

• Friction only

Which direction, horizontal or vertical, has acceleration?

• Neither

• Vertical

• Both

• Horizontal

Which direction, horizontal or vertical, has constant speed?

• Both

• Vertical

• Neither

• Horizontal

Two identical balls roll off the edge of a table. One leaves the table traveling twice the speed of the other. Which ball hits the floor first?

• The faster ball

• Both at the same time

• Depends on the height of the table

• The slower ball

At the instant a horizontally pointed cannonball is fired, a cannonball held at the cannon’s side is released and drops to the ground. Which cannonball strikes the ground first, the one fired from the cannon or the one dropped?

• Depends on the angle of launch

• The one fired from the cannon

• The one dropped

• Both at the same time

What launch angle would have the same range as a projectile launched at 20 degrees?

• 40 degrees

• 30 degrees

• 50 degrees

• 60 degrees

Draw vector arrows representing the vx and vy velocity components during the course of the motion.

• Not possible

• Only vy can be represented

• Both vx and vy can be represented

• Only vx can be represented

What is the horizontal component along the trajectory of a projectile?

• Decreases

• Increases

• Varies randomly

• Remains unchanged