2 Dimensional Motion and Gravity Quiz

Which of the following best describes the TRAJECTORY of a projectile?

• The trajectory is the force that makes the projectile go through the air

• The trajectory is the path the projectile takes as it goes through the air

• The trajectory is always a long distance

• The trajectory is another name for the person throwing the projectile

What angle should a projectile be thrown/launched at to get the maximum range?

• 90°

• 60°

• 45°

• 30°

Which of the following degrees should a projectile be thrown/launched to achieve maximum height?

• 90°

• 60°

• 45°

• 30°

TRUE or FALSE: Acceleration is constant for a projectile while it is in the air.

• True

• False

Tags

NGSS.HS-PS2-1

A soccer ball rolls off of a cliff horizontally at 12 m/s and takes 4 seconds to fall. How far from the cliff does the ball land?

• 48 meters

• 24 meters

• 6 meters

• 3 meters

Tags

NGSS.HS-PS2-1

A soccer ball rolls off of a cliff horizontally at 12 m/s and takes 4 seconds to fall. How far does the ball fall before reaching the ground?

• 157 meters

• 78 meters

• 20 meters

• 4.9 meters

Tags

NGSS.HS-PS2-4

The centripetal force always points...

• Tangent to the circle

• Towards the center of the circle

• Away from the center of the circle

• Clockwise, or counterclockwise

A tennis ball on a string is being swung horizontally in a circle at 3 m/s. If the length of the string is 0.5 meters, and the mass of the tennis ball is 0.1 kg, what is the centripetal force required to keep the ball in a circular motion?

• 3.6 N

• 1.8 N

• 0.6 N

• 0.02 N

Tags

NGSS.HS-PS2-1

Which of the following is an example of a revolution?

• The Earth spinning on its own Axis

• A wheel spinning on a car

• An uprising against your Physics Teacher

• The Moon orbiting the Earth

Tags

NGSS.HS-ESS1-4

An industrial gear, which has a diameter of 1.5 meters, rotates 1 time in 5 seconds. What is the tangential velocity of the wheel?

• 7.5 m/s

• 5 m/s

• 1.8 m/s

• 0.9 m/s