Mechanics Forum

Post thread
Undergrad Vertical circular motion minimum speed proof
  • · Replies 11 ·
Replies
11
Views
13K
Undergrad What Are the Final Velocities After a Two-Dimensional Collision?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Calculating Displacement of Uniform Bar at Centre with Respect to Time
  • · Replies 2 ·
Replies
2
Views
2K
High School Physics Q: What Law Applied to Lead Boat Against Wind?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Are We Heavier Than the Scale Says Due to Buoyant Force?
  • · Replies 20 ·
Replies
20
Views
4K
Undergrad What is the Constant of Proportionality in Galileo's Law of Free Fall?
  • · Replies 5 ·
Replies
5
Views
5K
Graduate Diffusive Scaling - How does it work
  • · Replies 2 ·
Replies
2
Views
5K
Graduate Forced oscillations of a linear system
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Why Is Potential Energy Critical in Understanding Physical Systems?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Why did the bike rotate in the physics experiment in the film 187?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Rocket Experiment: Testing Thrust Using Angular Momentum Method
  • · Replies 2 ·
Replies
2
Views
2K
High School How do bicycles use levers to increase efficiency and distance traveled?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Predicting Pool Break Shot: 15 Balls in a Triangle
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Find all the accelerations of the 3 masses and the 1kg pulley
  • · Replies 2 ·
Replies
2
Views
5K
High School When does initial and final speed come into play when calculating momentum?
  • · Replies 1 ·
Replies
1
Views
2K
High School A question about condensation of water
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Pressure in River Pump with No Moving Parts
  • · Replies 21 ·
Replies
21
Views
21K
High School Measuring Impact Force: Simple Methods for a 7th Grade Science Project
  • · Replies 3 ·
Replies
3
Views
10K
Undergrad Some Explanation with Rigid Rotator
  • · Replies 5 ·
Replies
5
Views
3K
High School Can centripetal and centrigugal force act together?
  • · Replies 58 ·
2
Replies
58
Views
15K
Undergrad Rolling a cylinder down a incline
  • · Replies 15 ·
Replies
15
Views
4K
High School Some Explanation about Momement of Inertia
  • · Replies 7 ·
Replies
7
Views
15K
Undergrad Calculating Thrust of a Rocket
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Why Does Tugging Speed Affect the Outcome in a Two-String Physics Problem?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Calculate smallest pore that will admit water
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad If a cylindrical tank of radius 1m rests on a platform 5m above the
  • · Replies 2 ·
Replies
2
Views
2K
High School Parabolic trajectory of a rocket
  • · Replies 4 ·
Replies
4
Views
8K
Undergrad Dimensions of Newton's Law of Gravitation and Coloumb's Law
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad What is the role of viscous friction in the drag force on a moving sphere?
  • · Replies 5 ·
Replies
5
Views
4K
High School Find CG Point: Step-by-Step Guide
  • · Replies 8 ·
Replies
8
Views
5K
Graduate Can a Rigid Body's Rotation Be Described with Only Two Successive Rotations?
  • · Replies 2 ·
Replies
2
Views
3K
High School Physics Unit: Dynamics & Abbreviations (Grade 11)
  • · Replies 4 ·
Replies
4
Views
21K
Undergrad Ball in a complex 2D environment
  • · Replies 15 ·
Replies
15
Views
4K
Undergrad Power Measurements: G, R, K for KW & MWh
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad Does F = ma really mean anything?
  • · Replies 6 ·
Replies
6
Views
15K
Which would hurt more a water bottle or a frozen water bottle?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Why does it take time to accelerate a bike from standstill to maximum speed?
  • · Replies 13 ·
Replies
13
Views
4K
Undergrad Force Vectors and Dot Products
  • · Replies 3 ·
Replies
3
Views
2K
High School Find Force of Tension on 2 Supporting Ropes | mg=98N
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Calc Work/Power: Accel of 0 or 9.8 m/s^2?
  • · Replies 13 ·
Replies
13
Views
13K
Undergrad Calculating Impact Force: Earth Surface vs. Fall from 2.7 Meters
  • · Replies 9 ·
Replies
9
Views
12K
High School Equal Amplitude for Active Noise Control Headphones?
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Why Does Kinetic Energy Increase So Much in a Constantly Accelerating Rocket?
  • · Replies 49 ·
2
Replies
49
Views
7K
High School Harmonics of a closed-closed tube
  • · Replies 2 ·
Replies
2
Views
5K
High School How Does a Bicycle's Friction Drive Work?
  • · Replies 1 ·
Replies
1
Views
3K
High School Lowering Sound Pressure: Techniques and Considerations
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad How Does Your Weight Change from the Poles to the Equator?
  • · Replies 1 ·
Replies
1
Views
5K
High School Expert Help: What do you guys think about this 3D physics simulation ?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Spinning top undergoing nutation
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Moment of inertia of solid sphere
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Is This Video of a Fake Cavendish Experiment Really Accurate?
  • · Replies 21 ·
Replies
21
Views
10K
Undergrad Is the ionising power of alpha particles greater than that of gamma
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Measuring tension in a nylon loop (springs?)
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Projectile Launched from the moon
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad How Do Velocity and Angular Momentum Change in Elliptic Orbits?
  • · Replies 3 ·
Replies
3
Views
2K
High School Water on Moon: How Can Ice Survive for Billions of Yrs?
  • · Replies 13 ·
Replies
13
Views
3K
Graduate Reversing direction on a spinning cylinder of water
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Understanding Force: Velocity and Mass Expulsion
  • · Replies 19 ·
Replies
19
Views
3K
Undergrad Two men want to carry a wooden beam weighing 200
  • · Replies 5 ·
Replies
5
Views
5K
High School How do you get a mousetrap car to go forward and then backward?
  • · Replies 3 ·
Replies
3
Views
7K
Undergrad Precession axis of a spinning top
  • · Replies 14 ·
Replies
14
Views
8K
Undergrad Understanding Momentum and Moment of Area Concepts | Explained by Experts
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad How Do Some Insects Walk on Water Despite Being Denser Than Water?
  • · Replies 3 ·
Replies
3
Views
3K
High School Velocity/Displacement Time Graph
  • · Replies 2 ·
Replies
2
Views
11K
Graduate Expand Harmonic Potential in Taylor Series | Piz
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Where does the centripetal force acting on a spinning top comes from?
  • · Replies 6 ·
Replies
6
Views
13K
Graduate Fluids- hydrodynamic interactions
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Is R=0 enough for circular motion?
  • · Replies 8 ·
Replies
8
Views
2K
High School What are the key effects of the Chicxulub impact event?
  • · Replies 1 ·
Replies
1
Views
22K
High School Throwing a Softball: Examining Momentum and Gravity
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Tension in a chopped up string
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Normal Force of a Sliding Rope: Debunking the Myth
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Work done by an expanding gas with no moving boundary
  • · Replies 1 ·
Replies
1
Views
4K
High School Mass doesn not effect speed of dropped objects
  • · Replies 73 ·
3
Replies
73
Views
16K
Graduate Simultaneous differential equation of second order
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Hot Air Rotation: Can Heat Create Constant Motion?
  • · Replies 2 ·
Replies
2
Views
2K
High School Resolving vectors into components
  • · Replies 1 ·
Replies
1
Views
4K
Graduate What do Rcm and Rcmob represent in this fluid mechanics problem?
  • · Replies 4 ·
Replies
4
Views
3K
High School Ways a Car can be More Efficient?
  • · Replies 53 ·
2
Replies
53
Views
7K
High School Forgetting Gravitational Force? Get Help Here!
  • · Replies 1 ·
Replies
1
Views
5K
Undergrad Helium balloon in a decelerating car
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Is the Follow Distance Rule of Thumb in Germany Really Sensible?
  • · Replies 53 ·
2
Replies
53
Views
8K
Undergrad Calculating Spring Constant - Force or Energy?
  • · Replies 1 ·
Replies
1
Views
6K
High School Understanding Water Pressure Zones: A Curious Chick's Question
  • · Replies 20 ·
Replies
20
Views
4K
Undergrad Egg Movement: How to Simulate an Egg's Movement on a Level Plane
  • · Replies 15 ·
Replies
15
Views
5K
Undergrad Yet another question, Rotation and Gravity
  • · Replies 24 ·
Replies
24
Views
18K
Graduate Fluid Mechanics'Deriving' Incompressible Flow Criteria
  • · Replies 3 ·
Replies
3
Views
3K
High School Skydiver accelerates towards the ground at at 9.81ms ^-2
  • · Replies 2 ·
Replies
2
Views
5K
Undergrad Tyres - why is wider better for lateral grip?
  • · Replies 6 ·
Replies
6
Views
10K
Undergrad Fluid Mechanics Internal Flow Question
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Spinning artificial gravity proof
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Derivation of the moment of inertia of a cylinder
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Why does gravity give a constant acceleration and centrifuge?
  • · Replies 1 ·
Replies
1
Views
7K
Undergrad What gives photons the energy to move at the speed they do
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Why does air way collapse when pressure outside exceeds pressure inside?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad How does temperature affect the speed of sound in different mediums?
  • · Replies 13 ·
Replies
13
Views
23K
Undergrad Damped Oscillations: Understanding the Amplitude Function
  • · Replies 9 ·
Replies
9
Views
11K
High School Communicating Vessels in a noninertial reference frame
  • · Replies 2 ·
Replies
2
Views
2K
High School Question about Static Friction
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad What Equation Should I Use to Calculate the Damping Constant?
  • · Replies 1 ·
Replies
1
Views
8K