Quiz 4: Gravity Projectiles & Satellites

Which of the following would NOT be considered a projectile? 

• a cannonball thrown straight up
• a cannon ball rolling down a slope
• a cannonball rolling off a table
• a cannonball thrown in the air

The horizontal component of a projectile's velocity is independent of...

• it's range
• time
• the vertical component
• none of these

A ball is thrown into the air at some angle. At the very top of the ball's path, its velocity is

• entirely vertical
• both vertical and horizontal
• entirely horizontal
• not enough info

What is the horizontal acceleration of a projectile?

• 0 m/s²
• -9.8 m/s²

Tags

NGSS.HS-PS2-1

What is the vertical acceleration of a projectil?

• 0 m/s²

• 9.8 m/s²

Tags

NGSS.HS-PS2-1

A basketball that is thrown to the ring follows a path that is ______________.

• hyperbolic

• parabolic

• linear

• circular

What happens to the vertical velocity of a projectile as it goes down?

• increases

• decreases

• stays the same

• none of these

What is a Satellite?

• A satellite is an object in the atmosphere that orbits or circles around a bigger object.

• A satellite is an object in space that orbits or collides with a bigger object.

• A satellite is an object in space that orbits or circles around a bigger object.

• A satellite is a balloon in space that orbits or circles around a bigger object.

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-1

NGSS.HS-PS2-4

If launched fast enough, an object can orbit the Earth in an elliptical orbit.

• True

• False

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

The state that exists when the only force acting on an object is gravity is called

• momentum

• acceleration

• inertia

• free fall

Tags

NGSS.HS-PS2-4