Projectile review Applied

If a ball thrown straight up into the air takes 4 seconds to reach the top (peak), how long will it take to travel from the peak back to the original position?

• 0s

• 1s

• 3s

• 4s

Tags

NGSS.MS-PS2-4

Which hits the ground first if they start at the same height: a dropped ball or a ball launched with a

horizontal velocity?

• the launched ball

• the dropped ball

• they both hit at the same time

Tags

NGSS.MS-PS2-4

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 would NOT be considered a projectile?

• A cannonball fired towards a distant castle.

• A cannonball rolling down a slope.

• A cannonball fired straight outward from a castle wall.

• A cannonball after it rolls off the edge of a cliff.

Tags

NGSS.3-PS2-2

NGSS.3-PS2-1

The more mass an object has, the faster it will fall.

• True
• False

Tags

NGSS.MS-PS2-4

Suppose Lemming A runs off the edge of the cliff at 2 m/s and Lemming B runs off the edge at 1 m/s. Which will hit the ground first?

• A

• B

• Both at the same time

Tags

NGSS.MS-PS2-4

Two objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object has the greatest maximum height height?

• A

• B

• Both objects reach the same height

• unable to determine with the given information

Tags

NGSS.MS-PS2-4

Two objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object will fly the farthest?

• A

• B

• Both objects will fly the same distance

• unable to determine with the given information

Tags

NGSS.3-PS2-2

Which angle will produce the greatest height (in the absence of air resistance)?

• 0 degrees
• 45 degrees
• 90 degrees
• none of these