Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
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Help with force and friction on a flat surface
- Mattches
- · Replies 3 ·
Simple acceleration problems - requesting a check
- RyanJF
- · Replies 1 ·
Average force exerted on pedalf tangent to their circular path of a bike
- thulling
- · Replies 1 ·
Speed of orbiting planet given eccentricity of orbit
- ephedyn
- · Replies 3 ·
How can I calculate the force required to compress a spring in a given distance?
- Brunno
- · Replies 5 ·
LC Ocillations given only one piece of data
- wrong_class
- · Replies 7 ·
What is the distance covered here?
- mandy9008
- · Replies 2 ·
What is the Mass of the Milky Way and How is it Calculated?
- anyaxo
- · Replies 1 ·
Capacitors inserted into a circuit with opposite polarities
- Alfaraj
- · Replies 2 ·
Physics Problem Center Of mass HELP
- FahimP
- · Replies 1 ·
Charge and voltage across circuit
- 743344
- · Replies 10 ·
How to find the potential funtion for a force
- vande060
- · Replies 19 ·
Calculating Angular Speed for a Gravitational Field of 1.95g
- sona1177
- · Replies 1 ·
Calculating Time for Simple Harmonic Motion: Rod with Freely Rotating Object
- thereddevils
- · Replies 6 ·
Distance to Geosynchronous Orbit
- mopar969
- · Replies 2 ·
Two questions about centripetal acceleration,
- sushmarao
- · Replies 1 ·
Maxwell-Boltzmann Equations: Deriving the Most Probable Velocity
- dexter_a
- · Replies 2 ·
Estimate the terminal speed of a wooden sphere
- MetallicaFNum
- · Replies 1 ·
What is the weight of the weight in water?
- Avathacis
- · Replies 27 ·
Equilateral Triangle Point Charge Forces
- xortan
- · Replies 1 ·
Solving Mass from 2 Forces & Force of Impacting Bullet
- omonoid
- · Replies 1 ·
[Soundwaves] Energy and decibel
- hiuting
- · Replies 1 ·
How to Add Force Vectors on a Stalled Barge?
- .bonbon.
- · Replies 2 ·
Static Friction and Uniform Circular Motion
- harpua09
- · Replies 6 ·
How to Measure Magnitude of Displacement?
- ViewtifulBeau
- · Replies 2 ·
How Do You Solve a Damped Oscillator Problem with Initial Conditions?
- burock
- · Replies 3 ·
Work done by friction pushing blocks
- preluderacer
- · Replies 9 ·
Two Blocks on two inclines(Friction)
- ryan1180
- · Replies 2 ·
Is the Total Force Between a Book and the Earth 10 N?
- defetey
- · Replies 3 ·
Projectile Motion: Finding Maximum Height with Mechanics and Gravitation
- zorro
- · Replies 4 ·
Adding vectors algebraically for football runner
- valon
- · Replies 9 ·
How Does Oscillator Frequency Affect the Energy Ratio K/E?
- theuniverse
- · Replies 3 ·
Newton's Laws Questions + Friction. Very tricky and help appreciated
- jambition
- · Replies 3 ·
Force of static friction in an FBD
- noleguy33
- · Replies 3 ·
What Elevation Angle Clears the Wall and Hits the Target?
- rsmseys
- · Replies 3 ·
Testing for Gravitational constant
- Zaros
- · Replies 12 ·
Solving a Simple Mass-Spring Problem: Two Methods, Two Answers
- mnova
- · Replies 3 ·
How Long Does It Take for a Car to Pass a Truck After Reaching the Speed Limit?
- kaylamalanie
- · Replies 33 ·
How can I use the range equation to find the initial velocity of a projectile?
- Havenater23
- · Replies 4 ·
Can Induction Prove Gamma Function Convergence for p≥0?
- mekkomhada
- · Replies 3 ·
Can someone edit my g-force paper
- SHRock
- · Replies 3 ·
Inclined Planes - Multiple Ones
- drizzt56
- · Replies 1 ·
What Causes the Electric Field Outside Parallel Conductors?
- mmmboh
- · Replies 5 ·
Help with question related to friction on an incline?
- pokeefer
- · Replies 1 ·
How Do Buoyant Forces Affect Submerged Objects?
- dragon162
- · Replies 2 ·
How Does Current Flow Through a Copper Wire?
- aftershock
- · Replies 3 ·
Calculating Power with Constant Force: Deriving P=(F^2t)/m from Newton's 2nd Law
- dch1runs
- · Replies 1 ·
Vectors Q&A: Expert Help and Advice - Don't Miss Out!
- SFOo
- · Replies 9 ·
Calculating Frictional Work on a Moving Car
- preluderacer
- · Replies 4 ·
Checking to see if I'm right or not.
- Pinkshell4u
- · Replies 3 ·
How to find Friction Force and Coefficient of Friction?
- softball1394
- · Replies 1 ·
How Does a Spring Scale Measure the Total Force in a Balanced Meter Ruler Setup?
- xiaomeizi
- · Replies 5 ·
How Do Beam Forces and Support Reactions Relate in Equilibrium Analysis?
- sami23
- · Replies 1 ·
Hi again. Checking one more to see if I get it.
- Pinkshell4u
- · Replies 4 ·
Solving Force vs Time Graph Homework Problem
- jeya
- · Replies 1 ·
Potential difference in junction of two cells one 4.5V and one 3V
- alexratman
- · Replies 1 ·
What Determines the Relative Velocity of Two Attracting Masses?
- zorro
- · Replies 4 ·
Derivation of relativity equation
- musicmar
- · Replies 1 ·
How Does Solar Radiation Pressure Affect an Object in Space?
- mithil03
- · Replies 3 ·
Calculating Final Velocity with Spring and Friction on Inclined Plane
- bmoore509
- · Replies 16 ·
Why Does the Sign of Acceleration Affect My Physics Calculation?
- new^2^physics
- · Replies 6 ·
How Far Should the Object Be Placed in a Microscope Setup for 75x Magnification?
- mithil03
- · Replies 5 ·
Radial Velocity of the Sun around Galactic Centre
- anyaxo
- · Replies 1 ·
X and Y coordinates (in m) to acceleration.
- rsmseys
- · Replies 2 ·
Projectile Launched at an angle problem.
- KingHenry
- · Replies 4 ·
Deriving Velocity from Distance-Time Graph: Validity and Applications
- thomasc93
- · Replies 1 ·
Finding speed using energy equations
- asdf12321asdf
- · Replies 4 ·
Water vapor condensation and freezing
- alpinecg
- · Replies 1 ·
How do I accurately enter values in Mastering Physics for kinematics problems?
- madah12
- · Replies 2 ·
Was Galileo, Kepler, or Newton more important?
- donkeycopter
- · Replies 1 ·
Coefficient of friction of a block on a spring
- CSwitzer
- · Replies 1 ·
Physics Professor Bicycles Through Air: Power Calculations
- scytherz
- · Replies 2 ·
Finding the Force of air resistance
- scytherz
- · Replies 4 ·
How Far Does the Canoe Recoil When I Walk from One End to the Other?
- uchicago2012
- · Replies 1 ·
Newton's 2nd Law: Doubling Force, Double Speed?
- gxinxing
- · Replies 2 ·
Physics - Elastic Collision: Solving for Unknowns
- J.live
- · Replies 2 ·
Projectile Motion: How Far Will a Seed Travel at a Given Angle and Velocity?
- runningirl
- · Replies 1 ·
Converting Moles of Iron to kg: Net Charge Calculation
- pat666
- · Replies 5 ·
Calculating Work Done by Brakes
- Chica1975
- · Replies 4 ·
Motion problem? (Ball is thrown upward)
- toyotadude
- · Replies 1 ·
Radioactive decay half-life of polonium
- pat666
- · Replies 6 ·
Solving Vector Problems: Understanding Ground Speed vs. Airspeed
- P-Illiterate
- · Replies 3 ·
2-Dimensional Projectile Motion question
- chroncile
- · Replies 1 ·
Finding Maximum Distance from Sun
- colourpalette
- · Replies 9 ·
How is the total energy output of a power plant affected by its efficiency?
- ptar
- · Replies 1 ·
Box sliding down an inclined plane
- diegocas
- · Replies 1 ·
Molecular Weight Units for Mean Square Speed Calculation
- kd001
- · Replies 2 ·
Static and Kinetic Friction Problem, getting wrong answer?
- ADMINISTRAT0R
- · Replies 2 ·
Temperature of blackbody (star)
- pat666
- · Replies 8 ·
Hydrophobic properties of boat hulls
- copria
- · Replies 22 ·
How Much Work Is Needed to Compress a Spring?
- Chica1975
- · Replies 3 ·
Stopping distance given frictional force
- Chica1975
- · Replies 3 ·
How to Model the Volume of Water in a Graduated Cylinder with a Hole?
- RagincajunLA
- · Replies 2 ·
Can anyone help me out with this tension problem please?
- kdspuhler
- · Replies 1 ·
Help with a Conservation of Energy Question
- jessicak
- · Replies 1 ·
How Is Force Distributed Between Three Boxes on a Frictionless Surface?
- dlthompson81
- · Replies 3 ·
How Do You Calculate Q3 in a Complex Capacitor Network?
- ninjarawr
- · Replies 4 ·
Solving Optic Lens Problem: Find Object Distance for Magnification of 75
- mithil03
- · Replies 1 ·
Spring Force as Centripetal Force?
- lavenderbaby
- · Replies 4 ·
Calculating Repulsive Force Between Parallel Wires
- cdotter
- · Replies 2 ·