Mechanics Forum

Post thread
High School Impulse is the product of force and time
  • · Replies 4 ·
Replies
4
Views
10K
High School How Do You Calculate the Energy Stored in a Mousetrap for a Physics Project?
  • · Replies 1 ·
Replies
1
Views
12K
High School Building a Balloon Car: Increasing Speed
  • · Replies 3 ·
Replies
3
Views
12K
High School What are the Two Forms of Acceleration in Circular Motion?
  • · Replies 12 ·
Replies
12
Views
51K
High School Can sound travel faster than a speeding jet?
  • · Replies 12 ·
Replies
12
Views
3K
High School Gravitational potential energy and Kinetic Energy
  • · Replies 4 ·
Replies
4
Views
12K
High School Third Newtonian law most fundamental
  • · Replies 6 ·
Replies
6
Views
3K
High School Instantaneous Velocity methods
  • · Replies 7 ·
Replies
7
Views
33K
High School Why Is It Harder to Lift Someone When They Are Asleep?
  • · Replies 5 ·
Replies
5
Views
49K
High School Pressure in Liquids: Why It's Shape-Independent
  • · Replies 2 ·
Replies
2
Views
3K
High School Creating a Rube Goldberg Machine with Levers and Pulleys
  • · Replies 8 ·
Replies
8
Views
11K
High School Observing Ink Points in Water: What is the Motion?
  • · Replies 17 ·
Replies
17
Views
31K
High School What Factors Determine the Direction of a Pulse in a Stretched Rope?
  • · Replies 18 ·
Replies
18
Views
5K
High School How Do Spring Constants and Resistor Formulas Compare?
  • · Replies 4 ·
Replies
4
Views
6K
High School What is the weight of air in a 30 gallon tank at 100 PSI?
  • · Replies 3 ·
Replies
3
Views
22K
High School Physics of Air Fans: Number of Blades & Flow Rate
  • · Replies 3 ·
Replies
3
Views
8K
High School Why do masses cancel out when calculating y-components of momentum?
  • · Replies 2 ·
Replies
2
Views
3K
High School Speed vs Velocity: Difference & Examples
  • · Replies 4 ·
Replies
4
Views
45K
High School Compressed Chamber: Perfect Vacuum, Pull Apart?
  • · Replies 5 ·
Replies
5
Views
3K
High School Rotational weight vs dead weight
  • · Replies 3 ·
Replies
3
Views
6K
High School What Are the Major Types of Power Stations?
  • · Replies 1 ·
Replies
1
Views
22K
High School Newton's Third Law: Equal & Opposite Forces?
  • · Replies 4 ·
Replies
4
Views
3K
High School Equal work lifting versus pushing up a plane?
  • · Replies 11 ·
Replies
11
Views
21K
High School Does inertia apply to everything in the universe? Even subatomic?
  • · Replies 8 ·
Replies
8
Views
6K
High School Find Your Place in the Universe: Calculations & Ideas
  • · Replies 2 ·
Replies
2
Views
2K
High School Why Does Snowfall Make Everything Seem So Quiet?
  • · Replies 1 ·
Replies
1
Views
2K
High School Understanding the Difference Between Mass and Weight: Explained in Simple Terms
  • · Replies 17 ·
Replies
17
Views
6K
High School What is the terminal velocity of a quarter?
  • · Replies 6 ·
Replies
6
Views
36K
High School Def'n: mass vs. weight / kg vs. lbs
  • · Replies 27 ·
Replies
27
Views
25K
High School Question involving a stream of fluids
  • · Replies 2 ·
Replies
2
Views
2K
High School Calculating Airbag Deployment Speed in a Car Accident
  • · Replies 2 ·
Replies
2
Views
2K
High School How can I create a device that indicates the direction of sound source?
  • · Replies 1 ·
Replies
1
Views
4K
High School -friction Is Independant Of Surface Area-
  • · Replies 5 ·
Replies
5
Views
6K
High School How Can You Safely Drop an Egg from a Balcony Without Gravity Slowing Devices?
  • · Replies 4 ·
Replies
4
Views
4K
High School Why can an aluminum boat float?
  • · Replies 7 ·
Replies
7
Views
3K
High School Will a Skimming Stone Travel Further on Calm or Wavy Water?
  • · Replies 4 ·
Replies
4
Views
3K
High School Angle Symbol T: Meaning & Degrees | FAQ
  • · Replies 2 ·
Replies
2
Views
2K
High School How Can You Increase Air Pressure in Pipes?
  • · Replies 5 ·
Replies
5
Views
4K
High School Freefall Impact Force: Calculate Equation
  • · Replies 12 ·
Replies
12
Views
6K
High School Rolling Down a Ramp: Tube of Water vs Dirt - Which is Faster?
  • · Replies 2 ·
Replies
2
Views
3K
High School Equal Weights on a Pulley: What Would You Notice?
  • · Replies 15 ·
Replies
15
Views
11K
High School Minimum Frequency Needed to Perceive Motion and Avoid Flickering
  • · Replies 12 ·
Replies
12
Views
3K
High School How Big Should the Wheel Be Compared to the Axle for Optimal Force Output?
  • · Replies 1 ·
Replies
1
Views
16K
High School Hi Could anyone of you post here a link to a webpage that actually
  • · Replies 5 ·
Replies
5
Views
7K
High School Why Can't We See the Force of Gravity?
  • · Replies 8 ·
Replies
8
Views
19K
High School Rolling Friction: Coefficient for Tire on Concrete
  • · Replies 1 ·
Replies
1
Views
4K
High School Comparing materials abality to absorb impact
  • · Replies 7 ·
Replies
7
Views
9K
High School Recoil Forces in Rail Gun Launches
  • · Replies 8 ·
Replies
8
Views
5K
High School Warm Water Expansion: Facts & Questions
  • · Replies 10 ·
Replies
10
Views
23K
High School How Does Air Move in a Vacuum?
  • · Replies 2 ·
Replies
2
Views
2K
High School Reducing radius of rotating object
  • · Replies 5 ·
Replies
5
Views
3K
High School How Does Momentum Conserve When a Biker Hits the Pavement?
  • · Replies 5 ·
Replies
5
Views
3K
High School If you crank a generator in space
  • · Replies 4 ·
Replies
4
Views
3K
High School Is Deceleration Really a Forbidden Word in Physics?
  • · Replies 4 ·
Replies
4
Views
19K
High School Two Bullets Decent towards the earth
  • · Replies 3 ·
Replies
3
Views
7K
High School How much weight am I lifting by raising one end of a 21' beam?
  • · Replies 16 ·
Replies
16
Views
48K
High School Dropping an egg without breaking
  • · Replies 3 ·
Replies
3
Views
30K
High School Conservation of Momentum: Falling object
  • · Replies 11 ·
Replies
11
Views
37K
High School Pain/Damage - If I dropped an ant
  • · Replies 7 ·
Replies
7
Views
2K
High School Can a Rope Stay in Orbit After Rocket Launched?
  • · Replies 28 ·
Replies
28
Views
5K
High School Physics teacher demonstrated Newton's 3rd Law
  • · Replies 14 ·
Replies
14
Views
13K
High School 's Introduction to Elementary Physics
  • · Replies 5 ·
Replies
5
Views
2K
High School I don´t understand how sound propogates through a medium.
  • · Replies 18 ·
Replies
18
Views
4K
High School Design Ideas for Wind Power Lifter | Manchester Twp.
  • · Replies 10 ·
Replies
10
Views
6K
High School Where is contact made during collisions?
  • · Replies 2 ·
Replies
2
Views
4K
High School Is the Law of Conservation of Matter and Energy Outdated?
  • · Replies 8 ·
Replies
8
Views
4K
High School What is antigravity? How would it possibly work?
  • · Replies 32 ·
2
Replies
32
Views
7K
High School Freshman HS student working on a scanning tunneling microscope
  • · Replies 12 ·
Replies
12
Views
3K
High School Is the recoil from a projectile weapon just a Hollywood myth?
  • · Replies 29 ·
Replies
29
Views
10K
High School Make a Manilla Folder Propeller for Physics Project
  • · Replies 1 ·
Replies
1
Views
5K
High School Solving Two Hours of Christmas Arguing: PE on a Cliff and Ramp?
  • · Replies 5 ·
Replies
5
Views
2K
High School Jumping, weightlessness and movement in tennis
  • · Replies 8 ·
Replies
8
Views
4K
High School Solve the Riddle: Can You Average 60 MPH Over a 2 Mile Trip?
  • · Replies 2 ·
Replies
2
Views
4K
High School Understanding Momentum: Comparing Mack Trucks and Small Trucks
  • · Replies 3 ·
Replies
3
Views
3K
High School Center of Gravity: Where Does it Lead?
  • · Replies 22 ·
Replies
22
Views
6K
High School Answer to Interview Question: What Happens to a Helium Balloon in a Car?
  • · Replies 2 ·
Replies
2
Views
4K
High School Why Do Ripples Form on Water's Surface?
  • · Replies 5 ·
Replies
5
Views
20K
High School Rube Goldberg Machine Project Help
  • · Replies 3 ·
Replies
3
Views
6K
High School Helicopter Questions - Get Answers Now!
  • · Replies 2 ·
Replies
2
Views
6K
High School What can you tell me about the tension in a string?
  • · Replies 25 ·
Replies
25
Views
15K
High School Gravity: Rock vs Asteroid | Which Falls Faster?
  • · Replies 9 ·
Replies
9
Views
3K
High School Re-Entry into Earth's Atmosphere: Understanding Space Ship Speed
  • · Replies 4 ·
Replies
4
Views
4K
High School Are Inertia and Momentum the Same in Physics?
  • · Replies 9 ·
Replies
9
Views
7K
High School Real Life Situations? Static vs. Kinetic friction
  • · Replies 2 ·
Replies
2
Views
9K
High School What is the Formula for Acceleration in Physics?
  • · Replies 2 ·
Replies
2
Views
92K
High School Centripetal vs Radial: Explaining Difference to Understand
  • · Replies 13 ·
Replies
13
Views
17K
High School Jumping inside a moving train
  • · Replies 27 ·
Replies
27
Views
70K
High School What happens when wind affects the motion of a ball heading towards a wall?
  • · Replies 9 ·
Replies
9
Views
9K
High School Find Out How High Bungee Jumper Rebound After First Jump
  • · Replies 6 ·
Replies
6
Views
4K
High School Why Does a Boomerang Return?
  • · Replies 16 ·
Replies
16
Views
6K
High School Galileo's Pendulum Timer Invention
  • · Replies 5 ·
Replies
5
Views
3K
High School Measuring Inertial Mass: Force, Acceleration and Mass
  • · Replies 4 ·
Replies
4
Views
5K
High School Coefficient of Friction Lab: Can Static Be Less Than Kinetic?
  • · Replies 1 ·
Replies
1
Views
2K
High School The Great Marble Race Physics Project
  • · Replies 1 ·
Replies
1
Views
9K
High School Why does a spinning object change direction before stopping?
  • · Replies 4 ·
Replies
4
Views
3K
High School Golf Ball Bouncing: What Force Causes It?
  • · Replies 12 ·
Replies
12
Views
3K
High School Build a Mouse Trap Car: Backwards Motion Help
  • · Replies 1 ·
Replies
1
Views
6K
High School Egg Breakability - Why Is It Almost Impossible?
  • · Replies 1 ·
Replies
1
Views
2K
High School Can Battlestar Galactica's Maneuvers be Realistic?
  • · Replies 14 ·
Replies
14
Views
2K
High School What does a vertical line on a velocity versus time graph suggest?
  • · Replies 8 ·
Replies
8
Views
27K