Projectiles Intro

Which car will go higher?

• the one on the left

• the one on the right

• both will reach the same height

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which car will land farther away from the cannon?

• the one on the left

• the one on the right

• both the same

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which car will go stay in the air for a longer time?

• the one on the left

• the one on the right

• both the same

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

A piano and an apple are launched into the air, with the same initial velocity. What will happen?

• the piano will travel much farther than the apple

• the apple will travel much farther than the piano

• they will land close together

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

NGSS.MS-PS2-4

A piano and an apple are launched into the air, with the same initial velocity. What will happen?

• the piano will stay low, but the apple will go up high

• the apple will stay in the air longer than the piano

• the apple and piano will travel to the same height in the same time

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

NGSS.MS-PS2-4

Which travels farthest, a cannonball shot straight up, one shot 45 degrees above the horizontal, or one shot horizontally?

• straight up

• 45 degrees

• horizontal

Tags

NGSS.HS-PS2-1

A cannonball was shot at a 45 degree angle above the horizontal, and is now flying toward a castle. Check all the forces that will determine whether it hits the castle wall.

• air resistance

• gravity

• normal force

• applied force

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

The quarterback kicks a football from the 20 yard line, and the ball just clears the goal. To celebrate, the QB runs into the endzone and throws his helmet straight up. The helmet goes just as high as the goal. Which object was in the air longer?

• the helmet thrown straight up

• the ball thrown from the 20 yard line

• both are in the air for the same time

If you launch a ping-pong ball and a golf ball at the same initial velocity, which will travel farther? Hint - the two balls are the same size and have the same air resistance, but the ping-pong ball is MUCH lighter.

• ping pong ball

• golf ball

Tags

NGSS.MS-PS2-2

If you have a flat sheet of paper and you want to toss it into a wastebasket, it helps to crumple it into a ball. Why?

• mass increases

• mass decreases

• air resistance decreases

• air resistance increases