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Mini-Quiz: Effect of Gravity on Sideways Motion

by Ron Kurtus (updated 29 May 2023)

Take this Mini-Quiz to check your understanding of the lesson material.

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1. Why doesn't gravity affect an object moving sideways differently?

Gravity pulls perpendicular to the ground, so sideways motion is not affected

Sideways motion is too fast for gravity to affect it

Gravity pulls sideways motion faster than stationary motion

2. After 2 seconds, which object is falling downward faster?

The stationary object falls faster because gravity affects it more

The object moving sideways falls downward faster because of less friction

They both are moving at the same downward velocity after 2 seconds

3. If two balls are thrown sideways at different velocities, will they hit the ground at the same time?

Yes, because sideways velocities do not affect the rate the balls fall

No, because the harder you throw a ball, the less gravity affects it

It depends whether the balls are the same weight or not

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.

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Resources and references

Ron Kurtus' Credentials

Websites

Independence of Perpendicular Components of Motion - PhysicsClassroon.com

Gravity Resources

Books

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Top-rated books on Simple Gravity Science

Top-rated books on Advanced Gravity Physics

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Where are you now?

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Gravity topics

Mini-Quiz: Effect of Gravity on Sideways Motion

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Gravity and Gravitation

• Overview of Gravity and Gravitation
• Gravity Resources

Gravity topics

• Overview of the Force of Gravity

Preliminaries

• Using Vectors in Gravity Equations
• Gravity Direction Convention

Basics

• Equivalence Principle of Gravity
• -- Gravity Acceleration is Constant
• -- Gravity on Earth versus on Moon
• Mass, Weight and Gravity
• -- Confusion about Mass and Weight
• Gravity and Horizontal Motion

Derivations of equations

• Gravity Equation Derivations
• Velocity-Time Gravity Equations
• Displacement-Time Gravity Equations
• Displacement-Velocity Gravity Equations

Falling objects

• Equations for Falling Objects
• Velocity Equations for Falling Objects
• Displacement Equations for Falling Objects
• Time Equations for Falling Objects

Projected downward

• Objects Projected Downward
• Downward Velocity Equations
• Downward Displacement Equations
• Downward Time Equations

Projected upward

• Objects Projected Upward
• Upward Velocity Equations
• Upward Displacement Equations
• Upward Time Equations

Gravity and energy

• Overview of Energy from Gravity
• Energy of Falling Objects
• Energy of Objects Projected Downward
• Energy When Projected Upward

Gravity and work

• Work by Gravity
• Work Against Gravity

Effects of gravity

• On Sideways Motion
• On an Artillery Projectile
• On a Rocket Projectile

Gravity applications

• Gravity and Newton's Cannon
• Escape Velocity from Gravity
• Artificial Gravity in Spacecraft
• -- Artificial Gravity Equations
• Center of Gravity

Gravitation

• Gravitation topics
• Overview of Gravitation

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