Mechanics Forum

Post thread
High School Camera Flash Pop Sound: What Causes It?
  • · Replies 3 ·
Replies
3
Views
3K
High School How Long Does It Take for an Accelerating Car to Overtake Another?
  • · Replies 2 ·
Replies
2
Views
1K
High School Understanding Projectile Motion: A Grade 11 Student's Perspective
  • · Replies 3 ·
Replies
3
Views
2K
High School How to test f=ma using trolley and ticker timer?
  • · Replies 4 ·
Replies
4
Views
3K
High School Why does water boil faster in high region than low region?
  • · Replies 5 ·
Replies
5
Views
2K
High School Mass vs Inertia: Is Inertia Necessary in Physics?
  • · Replies 1 ·
Replies
1
Views
1K
High School If an object rolls off a tabletop is the vertical velocity initially 0?
  • · Replies 4 ·
Replies
4
Views
2K
High School Kinematics: Initial Velocity, Acceleration, Displacement & Time
  • · Replies 2 ·
Replies
2
Views
1K
High School How do bombs create shock waves and blast waves?
  • · Replies 1 ·
Replies
1
Views
2K
High School Acceleration And Velocity Problem
  • · Replies 1 ·
Replies
1
Views
892
High School Understanding Force Basics: How to Calculate Impact and Damage from a 0.4m Fall
  • · Replies 4 ·
Replies
4
Views
1K
High School Pulley Equations: Learn How to Calculate Lifting Power
  • · Replies 1 ·
Replies
1
Views
1K
High School Why does fluid flow faster in a narrow tube?
  • · Replies 9 ·
Replies
9
Views
38K
High School Finding distance traveled with only time
  • · Replies 2 ·
Replies
2
Views
8K
High School Potential energy for a spring law
  • · Replies 12 ·
Replies
12
Views
2K
High School Which Object Travels Further: Mass or Velocity?
  • · Replies 4 ·
Replies
4
Views
1K
High School Which is harder to crack: a smaller or larger screen?
  • · Replies 2 ·
Replies
2
Views
1K
High School Friction force without coefficient of friction?
  • · Replies 7 ·
Replies
7
Views
18K
High School Help with Pulleys: Weight on Anchored Rope?
  • · Replies 2 ·
Replies
2
Views
2K
High School How can a horizontal component be of sin? Error in book or my brain?
  • · Replies 9 ·
Replies
9
Views
3K
High School Conversion of KE when a force does not do work
  • · Replies 4 ·
Replies
4
Views
2K
High School Why does wave speed affect wavelength but not frequency?
  • · Replies 7 ·
Replies
7
Views
6K
High School Could transverse wave on a string could be used to produce sound?
  • · Replies 34 ·
2
Replies
34
Views
6K
High School Potential Difference in Circuits
  • · Replies 6 ·
Replies
6
Views
2K
High School What is the Relationship Between Friction and Mass of an Object on a Slope?
  • · Replies 5 ·
Replies
5
Views
5K
High School Explaining usefullness of displacement and velocity
  • · Replies 5 ·
Replies
5
Views
2K
High School Velocity versus Time Graph help?
  • · Replies 6 ·
Replies
6
Views
4K
High School Propellers in a Tunnel: Benefits & Noise Suppression
  • · Replies 7 ·
Replies
7
Views
3K
High School What does the "r" in the formula F = - GMm/r^2 mean?
  • · Replies 11 ·
Replies
11
Views
7K
High School Is Average Speed a Scalar quantity?
  • · Replies 3 ·
Replies
3
Views
4K
High School Why do bubbles form when we hit the surface of water?
  • · Replies 6 ·
Replies
6
Views
2K
High School Where should hydrogen be placed in the periodic table?
  • · Replies 4 ·
Replies
4
Views
3K
High School Why Is the Mass of a Wheel Concentrated on the Rim?
  • · Replies 3 ·
Replies
3
Views
4K
High School Can motion be turned into matter?
  • · Replies 2 ·
Replies
2
Views
2K
High School What causes an object to orbit around another?
  • · Replies 25 ·
Replies
25
Views
6K
High School Frictional force opposes relative motion?
  • · Replies 5 ·
Replies
5
Views
5K
High School Calculating the Impact: A Detailed Look at My Car Accident on Friday Night
  • · Replies 8 ·
Replies
8
Views
3K
High School Find Minimum Acceleration from Graph
  • · Replies 3 ·
Replies
3
Views
23K
High School See an object clearly in fluid like water
  • · Replies 2 ·
Replies
2
Views
1K
High School Coefficient of friction calculation
  • · Replies 2 ·
Replies
2
Views
1K
High School What Causes High RPM Bearings to Suddenly Vibrate and Slow Down?
  • · Replies 2 ·
Replies
2
Views
1K
High School (Easy) Gravitational Force at an angle?
  • · Replies 7 ·
Replies
7
Views
2K
High School What does p = mv (momentum) really mean?
  • · Replies 69 ·
3
Replies
69
Views
66K
High School Energy vs force vs work vs power
  • · Replies 16 ·
Replies
16
Views
13K
High School Which Is Better for Soundproofing: Massive Blocks or Open Blocks?
  • · Replies 3 ·
Replies
3
Views
2K
High School Resources or learning how SI units work?
  • · Replies 5 ·
Replies
5
Views
2K
High School Coefficient of friction lies between 0.1 and 1.5
  • · Replies 7 ·
Replies
7
Views
5K
High School What is the absorption coefficient of black-colored water?
  • · Replies 3 ·
Replies
3
Views
3K
High School How does atmospheric pressure work?
  • · Replies 6 ·
Replies
6
Views
2K
High School Understanding Kinetic Energy and Momentum
  • · Replies 14 ·
Replies
14
Views
5K
High School Best beginner's material on orbital mechanics
  • · Replies 9 ·
Replies
9
Views
11K
High School Mass of falling objects vs. their acceleration
  • · Replies 7 ·
Replies
7
Views
3K
High School What is gravitational potential energy?
  • · Replies 9 ·
Replies
9
Views
2K
High School For a sound wave how/why does the compression and rarefaction occur?
  • · Replies 4 ·
Replies
4
Views
8K
High School Are Atoms Lopsided in Weight Based on Neutron and Proton Placement?
  • · Replies 3 ·
Replies
3
Views
2K
High School How skin reduces impact force on bones
  • · Replies 5 ·
Replies
5
Views
2K
High School Gravity at the center of the Earth
  • · Replies 27 ·
Replies
27
Views
5K
High School New to building a wind generator -- Need help
  • · Replies 3 ·
Replies
3
Views
2K
High School Hello I am confused calculating torque
  • · Replies 2 ·
Replies
2
Views
1K
High School What Are Lift and Drag Coefficients?
  • · Replies 1 ·
Replies
1
Views
2K
High School Non-Inertial Frame: Key Clues & Examples
  • · Replies 6 ·
Replies
6
Views
3K
High School How Does a Water Pump in a Water Cooler Operate and What Are Its Components?
  • · Replies 3 ·
Replies
3
Views
2K
High School Does Buoyancy Affect the Weight of a Beaker?
  • · Replies 1 ·
Replies
1
Views
2K
High School How does altitude affect the speed of sound and the creation of sonic booms?
  • · Replies 4 ·
Replies
4
Views
2K
High School Why Is Lifting a Box Considered Work in Physics?
  • · Replies 33 ·
2
Replies
33
Views
4K
High School Is it possible for liquid hydrogen to exist in space?
  • · Replies 12 ·
Replies
12
Views
4K
High School What exact speed point does shock wave start to appear
  • · Replies 33 ·
2
Replies
33
Views
4K
High School Does a terminal velocity exist?
  • · Replies 11 ·
Replies
11
Views
3K
High School Determining Compass Bearing from Resultant Angle
  • · Replies 3 ·
Replies
3
Views
4K
High School The distribution of pressure across a surface
  • · Replies 9 ·
Replies
9
Views
14K
High School Understanding the Water Pump: Gravity and Atmospheric Pressure
  • · Replies 2 ·
Replies
2
Views
5K
High School What is the difference in torque produced by a wrench versus a belt?
  • · Replies 15 ·
Replies
15
Views
2K
High School Acceleration due to gravity question
  • · Replies 9 ·
Replies
9
Views
3K
High School Two Balls on a Bus: Inertia Impact
  • · Replies 16 ·
Replies
16
Views
2K
High School Why does water from surface water bodies evaporate?
  • · Replies 3 ·
Replies
3
Views
3K
High School How does varying roof angle affect lift in wind
  • · Replies 1 ·
Replies
1
Views
3K
High School Swooshing noise as car drives near obstacles
  • · Replies 4 ·
Replies
4
Views
1K
High School Rotations Per Minute Needed to Balance a Top
  • · Replies 6 ·
Replies
6
Views
2K
High School Why Does a Wheel Travel 2*pi*r in One Revolution?
  • · Replies 7 ·
Replies
7
Views
2K
High School I have a few questions about the joule/Newton
  • · Replies 2 ·
Replies
2
Views
2K
High School Why does a helicopter lift off the ground?
  • · Replies 36 ·
2
Replies
36
Views
4K
High School Styrofoam cup in pressure cooker
  • · Replies 8 ·
Replies
8
Views
2K
High School Earth is rotating around the sun?
  • · Replies 22 ·
Replies
22
Views
4K
High School Does Falling Speed Differ from speed?
  • · Replies 1 ·
Replies
1
Views
1K
High School Sit around all day gargling ice water instead of exercising or dieting
  • · Replies 2 ·
Replies
2
Views
1K
High School Flip vs. Rotate: Which is Spinning an Object 360º?
  • · Replies 3 ·
Replies
3
Views
3K
High School Where did the velocity formula come from?
  • · Replies 3 ·
Replies
3
Views
1K
High School Air Inside Bus: Common Phenomenon Explained
  • · Replies 8 ·
Replies
8
Views
3K
High School In dire need of some help on understanding gravity
  • · Replies 15 ·
Replies
15
Views
3K
High School Can objects that have different masses/velocities have equal momentum?
  • · Replies 2 ·
Replies
2
Views
2K
High School Atmospheric pressure - questions
  • · Replies 2 ·
Replies
2
Views
4K
High School Weight of Horizontal Projectile
  • · Replies 29 ·
Replies
29
Views
5K
High School If water molecules are so smallwhy don't they go through skin pores?
  • · Replies 15 ·
Replies
15
Views
7K
High School Value of g at the center of the earth
  • · Replies 28 ·
Replies
28
Views
8K
High School Work problem, physics solution
  • · Replies 1 ·
Replies
1
Views
2K
High School Action and reaction are equal and opposite,but why dont they cancell ?
  • · Replies 3 ·
Replies
3
Views
2K
High School Work done = force x displacement?
  • · Replies 23 ·
Replies
23
Views
6K
High School Types of Pressure: Static, Dynamic, Total & More
  • · Replies 1 ·
Replies
1
Views
3K
High School Possible to see a water molecule?
  • · Replies 4 ·
Replies
4
Views
3K
High School What is the difference between centrifugal and centripetal forces?
  • · Replies 17 ·
Replies
17
Views
14K