G3 Mastery Check Review

A hammer throw athlete has the cable of their hammer snap mid throw. What is the direction it will travel after the wire breaks

• A

• B

• C

• D

• E

The Earth accelerates as it travels around the sun? Which of the statements below best explains why the Earth is accelerating around the sun?

• Acceleration is a change in velocity; velocity is not changing because speed is constant

• It is not accelerating because the speed and velocity as the same thing

• It is accelerating because velocity is changing as velocity involves speed and direction

• It is accelerating because the speed of the Earth is constantly changing

If we assume that the Earth moves in a circular orbit around the Sun, which of the answers below best illustrates what would happen to the Earth's motion if the Sun completely vanished?

• 
• 
• 
• 

A continuous perpendicular force causes circular motion.

• True

• False

If you are swinging your friend in a circle and then let them go, your friend will most likely

• continue to rotate in a circle

• fly away at a tangent to the circle

• fly back toward you

• fly backwards from his original direction

The moon orbits earth, in what direction is the gravitational force pulling the moon?

• towards the Moon

• away from the Earth

• towards the Earth, center of the circle

• tangent to the Moon

Which of the following is not a vector quantity? (2)

• time

• acceleration

• speed

• velocity

According to Newton's ________________law, an object with no net force acting on it remains at rest or in motion with a constant velocity.

• First

• Second

• Third

The Earth accelerates as it travels around the Sun.

• True

• False

The Earth accelerates as it travels around the Sun.

• True

• False