Mechanics Forum

Post thread
Undergrad Get Projectile hit moving target
  • · Replies 4 ·
Replies
4
Views
7K
High School Why do objects bounce at a 30 degree angle?
  • · Replies 12 ·
Replies
12
Views
3K
Graduate Deriving the Potential Energy Contribution of an Infinitesimal Mass on a Sphere
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Where does the K.E go? [RotMech]
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Calculating Velocity with Bulk Modulus and Modulus of Rigidity
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Velocity with mass and distance given ?
  • · Replies 4 ·
Replies
4
Views
12K
Undergrad Trying to prove which car hit which with physics
  • · Replies 11 ·
Replies
11
Views
5K
High School Cardboard Boat Model: Can 3 People Sit?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Ball rolling with varying deceleration
  • · Replies 3 ·
Replies
3
Views
4K
Graduate Lowest freq mode of fixed-end linear chain oscillations
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Average Kinetic & Potential Energy in Simple Harmonic Motion
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How much water would be needed to stop a .22 bullet?
  • · Replies 14 ·
Replies
14
Views
19K
Undergrad Accelerometer force or the square please
  • · Replies 3 ·
Replies
3
Views
3K
High School Quick rotational motion question
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Understanding Wave Concept: Troubleshooting a Time Gap
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Difference between forced vibration and combined SHM
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Variable diameter bicycle wheel
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad Car Treadmill: Driving 40mph w/ G Force Shock?
  • · Replies 12 ·
Replies
12
Views
7K
Undergrad Wobbling Disks: Thin Hoop vs Solid Disk
  • · Replies 2 ·
Replies
2
Views
5K
High School Force exerted on you while you move in a circle at unchanging speed?
  • · Replies 7 ·
Replies
7
Views
4K
Graduate Creating Pressure Wave from EM Radiation: No Explosives
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Solving Hydrostatic Forces with Integral or Volume/Weight?
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Air Torus Hoverboard: Is it Possible?
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Sound Intenisty at a Football Game
  • · Replies 2 ·
Replies
2
Views
12K
Undergrad Potential Difference: Comparing Positive & Negative Charges
  • · Replies 7 ·
Replies
7
Views
5K
Undergrad Friction as a conservative force
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Drag can happen in extremely low-viscosity fluids
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Boil water at higher pressure vs. energy consumption
  • · Replies 11 ·
Replies
11
Views
7K
Undergrad Question about spirngs their force
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Gravitational potential energy
  • · Replies 5 ·
Replies
5
Views
5K
Graduate Kinetics: Defining Temperatures for Molecular Energy Storage Modes
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Capillary forces, intermolecular forces and surface tension questions
  • · Replies 2 ·
Replies
2
Views
16K
Undergrad What RPM is needed to launch a ball at velocity X?
  • · Replies 3 ·
Replies
3
Views
3K
High School Stopping distance in motorcycle accident
  • · Replies 7 ·
Replies
7
Views
10K
Graduate Newtonian mechanics VS. variational principles
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Finding Range of Projectile Under Air Resistance
  • · Replies 3 ·
Replies
3
Views
3K
High School Finding the Center of Mass for a Pinewood Derby Car
  • · Replies 4 ·
Replies
4
Views
2K
Tennis serve bounce - spin doubles, speed halfs, why?
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad How Does Mode Shape Influence Forced Vibration?
  • · Replies 2 ·
Replies
2
Views
29K
Undergrad Can a cylinder float up through a hole?
  • · Replies 7 ·
Replies
7
Views
3K
High School Understanding Vector Components: Explaining an Inclined Plane Physics Question
  • · Replies 4 ·
Replies
4
Views
3K
High School Why Do Rally Drivers Use Handbrake Turns?
  • · Replies 9 ·
Replies
9
Views
6K
High School Determining the center of mass experimentally
  • · Replies 4 ·
Replies
4
Views
10K
Graduate How Long Would a 10 Light Year Tall Domino Take to Reach Impact?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Applying torque to a double pendulum
  • · Replies 2 ·
Replies
2
Views
6K
Undergrad Rotational Motion: Why Does External Torque Affect Axis?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Angular Momentum of a particle
  • · Replies 9 ·
Replies
9
Views
4K
Graduate How does a finger pushing down on a waterbed affect its surface?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad How Do You Calculate the Force in Pool Ball Collisions Including Friction?
  • · Replies 4 ·
Replies
4
Views
7K
Undergrad Math behind tipping/toppling a column or vertical structure
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Can anyone PLEASE explain axis rotation?
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Proving Archimedes' Principle for Sphere & Cylinder
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Some Questions regarding Rotational Mechanics
  • · Replies 12 ·
Replies
12
Views
4K
High School How Long Does Water Take to Evaporate?
  • · Replies 6 ·
Replies
6
Views
4K
High School Does Your Weight Change Between Noon and Night Due to the Sun's Position?
  • · Replies 14 ·
Replies
14
Views
8K
Graduate Would CD change for a cylinder if the
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Why does a spring exert a force -kx on a block?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Solving for equations of motion in a system of three coupled oscillators
  • · Replies 1 ·
Replies
1
Views
7K
Undergrad Sonic Ranger in Water: Will it Track Ball Velocity?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Particle in Motion: Does it Develop Magnetic Field?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Can a Small Force Reverse the Direction of a Moving Train?
  • · Replies 2 ·
Replies
2
Views
14K
High School What are the key factors in understanding crash testing?
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Pulley system for telescoping crane
  • · Replies 1 ·
Replies
1
Views
6K
Undergrad Double-Bagging - is there are real advantage for sharp contents?
  • · Replies 10 ·
Replies
10
Views
3K
High School Explaining Tension: Get Help Now
  • · Replies 4 ·
Replies
4
Views
5K
Undergrad Work During Melting of Ice at 20C: Is Latent Heat Equal?
  • · Replies 22 ·
Replies
22
Views
17K
High School Sounds of Music - Metallophone
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Projectiles 3D. Working with forces like wind
  • · Replies 1 ·
Replies
1
Views
3K
High School What factors affect the pitch and tuning of organ pipes?
  • · Replies 8 ·
Replies
8
Views
26K
Undergrad Wing Commander Physics and Bernoulli's Principle?
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad What is the potential nuclear energy in a human body?
  • · Replies 2 ·
Replies
2
Views
10K
Graduate Theoretical mechanics question
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Forklift Stability: How Much Weight to Keep from Tipping?
  • · Replies 5 ·
Replies
5
Views
5K
High School How high could you jump on a trampoline with increasing tension?
  • · Replies 15 ·
Replies
15
Views
9K
Undergrad Can you feel the weight of a cloud as it flies over?
  • · Replies 3 ·
Replies
3
Views
4K
High School What Makes a Marker Lid Fly Across the Room?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Understanding Reference Frames: Generality & Abstractions
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Pressure in Star-Shaped Balloon: Fact or Fiction?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Answer: Calculating Linear Force from 5000 lb-ft of Torque
  • · Replies 2 ·
Replies
2
Views
3K
High School Does a Roller Coaster Exit a Loop at the Same Speed It Enters?
  • · Replies 11 ·
Replies
11
Views
5K
High School Calculating Roller Coaster Design for Physics Class
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Revolutionary Nano Gears: The Potential of Megaten Speed Bicycles
  • · Replies 2 ·
Replies
2
Views
3K
High School Throwing a ball on smooth surface.
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Newton's 3rd law not applicable to megnetic forces?
  • · Replies 7 ·
Replies
7
Views
4K
High School Playing basketball on the moon?
  • · Replies 11 ·
Replies
11
Views
6K
High School Can an object travelling really fast catch friction?
  • · Replies 5 ·
Replies
5
Views
8K
Undergrad Can a Closed Jar Measure the Weight of Flying Bees Inside?
  • · Replies 43 ·
2
Replies
43
Views
32K
High School Understanding Tension in a Vertical Pendulum: Calculation and Explanation
  • · Replies 13 ·
Replies
13
Views
3K
Undergrad Centre of mass vs. centre of gravity
  • · Replies 1 ·
Replies
1
Views
14K
High School Q on basic principles of weight and mass
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Searching for a Solid Proof of Chasles/Mozzi/Cauchy's Theorem
  • · Replies 4 ·
Replies
4
Views
11K
Undergrad What happens to the pressure and byproducts in a contained hydrogen explosion?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Surface tension of ethanol solution?
  • · Replies 2 ·
Replies
2
Views
13K
High School Understanding Van de Graaff Generator Behavior: Paper vs. Aluminum Contact
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad I need to know the physics of skydiving
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Solutions to Newtonian gravity
  • · Replies 28 ·
Replies
28
Views
6K
Graduate Equations of motion of a pendulum in a cart.
  • · Replies 2 ·
Replies
2
Views
4K
High School Is Work Done When Cycling Up a Hill with Constant Velocity?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Anyone working on Reactionless Gyroscopic Generator?
  • · Replies 1 ·
Replies
1
Views
4K
How to Fall Through Walls: A Theory Explained
  • · Replies 6 ·
Replies
6
Views
4K