Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Finding force exerted if you know tension, mass, and distance
- astru025
- · Replies 10 ·
Motion of Bar on Rollers: Solving for Direction of Friction
- Saitama
- · Replies 11 ·
Calculating the Work done from an Incline with Friction Problem
- Iconic
- · Replies 1 ·
Torque, rotational inertia and angular acceleartion
- urbano
- · Replies 4 ·
Adding sines and cosines tip to tail
- mbigras
- · Replies 1 ·
How to Calculate Normal Forces in a Uniform Board System
- astru025
- · Replies 21 ·
Getting currents in ammeter, with some resistances.
- dhkdeoen
- · Replies 12 ·
Finding the kinetic energy of a proton in megaelectron volts?
- Violagirl
- · Replies 1 ·
The Field of an Electric Dipole
- Violagirl
- · Replies 2 ·
Solving Magnetic Field Problems: Cylinder of Permanent Magnetization
- Dassinia
- · Replies 1 ·
Measuring an angle in non-inertial frame reference
- Sonya36
- · Replies 2 ·
How Does Hail Impact Force Compare to Rain Despite Similar Mass and Size?
- ericka141
- · Replies 3 ·
The Work Done on a Sliding Box: How to Calculate Friction and Applied Force
- murrskeez
- · Replies 1 ·
Force of a charge Q at the origin?
- Violagirl
- · Replies 5 ·
Solving for temperature using Wiens Law
- FaraDazed
- · Replies 4 ·
Frequency of Oscillations in an Electrostatically Charged Bead in a Tube
- Numeriprimi
- · Replies 7 ·
Proof related to angular momentum
- Saitama
- · Replies 5 ·
Induced Current Due to a Solenoid
- zachfoltz
- · Replies 1 ·
Calculating FBD Forces for Acceleration: Solution Verification and Analysis
- shizaep
- · Replies 5 ·
Force exerted from car on trailer question
- Joshuava
- · Replies 7 ·
Quantum - Find the formal expression of the coefficient cn(t=o)
- Dassinia
- · Replies 4 ·
Superposition of Electric Potential problem
- Lo.Lee.Ta.
- · Replies 2 ·
Solve 3D Statics Problem: Find Direction Angles of Vector Force
- sevag00
- · Replies 5 ·
Solving Wood Block Force Problem vs Wall: Net Force Calculation
- Sylis
- · Replies 6 ·
Ferris Wheel work done by net force
- PsychonautQQ
- · Replies 7 ·
Earth-Moon System Homework: Net Force, Potential Energy & Escape Velocity
- brindha-rocks
- · Replies 1 ·
Find wave speed by using relation x-y at given time.
- NihalSh
- · Replies 19 ·
Having trouble solving Nonconservative Force problem
- Iconic
- · Replies 12 ·
What is the direction and magnitude of the frictional force?
- jimmyboykun
- · Replies 10 ·
Kinematics - Calculating Distance
- Insolite
- · Replies 3 ·
Water Slide Mechanical Energy Problem
- StormPix
- · Replies 2 ·
Pulleys & Forces Homework: Struggling to Understand
- FeelTheFire
- · Replies 4 ·
Solving Vector Math: vi, vf, t, a
- ahmed1237
- · Replies 2 ·
Centripetal acceleration of the satellite?
- magnolia1
- · Replies 3 ·
Why Does the Rope Snap When Bob Accelerates His Truck?
- Ambushes
- · Replies 1 ·
Particle in uniform circular motion
- shreddinglicks
- · Replies 1 ·
What is the final position of the stone after being stopped by the spring?
- lgn_barnard
- · Replies 5 ·
Charged Metallic Sphere Touching Spherical Shell From Inside
- chayanne
- · Replies 3 ·
Can Static Friction Do Work on an Object?
- PsychonautQQ
- · Replies 2 ·
What is the radius of curvature for a proton moving in a magnetic field?
- Baumer8993
- · Replies 5 ·
Classic rain falling on a car's window problem doubt
- Calabi_Yau
- · Replies 2 ·
Greater electric potential but less electric potential energy?
- Lo.Lee.Ta.
- · Replies 5 ·
Bullet+block+spring physics homework
- Jabababa
- · Replies 7 ·
How can I calculate velocity and time in a physics lab on energy?
- astru025
- · Replies 5 ·
Center of Mass (Boxcar water example)
- BMcC
- · Replies 6 ·
Lightly Damped Simple Harmonic Oscillator Resonant Frequency Formula Explained
- mbigras
- · Replies 8 ·
Why Does a Simple Pendulum Have a Constant ω If Its Velocity Changes?
- bananabandana
- · Replies 2 ·
What Is the Car's Acceleration Given These Forces?
- harujina
- · Replies 4 ·
Swinging an object in a vertical plane
- STEMucator
- · Replies 4 ·
Quantitatively Compare the values of objects A and B
- AnthonyTufo
- · Replies 2 ·
Help finding total resistance in a circuit
- yugeci
- · Replies 10 ·
Calculating Photon Momentum and Speed for a 1205 kg Spaceship with a Square Sail
- thatguy101
- · Replies 2 ·
Friction between two stacked objects
- Panphobia
- · Replies 8 ·
How Do Friction and Human Force Affect Work Done on a Box?
- gcharles_42
- · Replies 3 ·
Finding the third piece's momentum after explosion
- NoobeAtPhysics
- · Replies 3 ·
How can we solve problems involving friction with two bodies accurately?
- fogvajarash
- · Replies 9 ·
Calculating Work and Friction in a Box on a Flat Floor
- gcharles_42
- · Replies 9 ·
Acceleration of two masses on string
- cowmoo32
- · Replies 8 ·
How Do Newtonian Forces Affect the Interaction Between Two Blocks?
- Nicolaus
- · Replies 1 ·
Mastering Physics - Force on muscles
- oh-jcb
- · Replies 1 ·
How Do Forces Interact on a Frictionless Pulley System with Inclined Planes?
- zara2939
- · Replies 1 ·
Need help on some questions - Moments, Bearings & Trusses
- princejan7
- · Replies 3 ·
Determining Planck's Constant [Resolved]
- Hapablap
- · Replies 1 ·
Physics Center of Mass, driving me nuts
- NoobeAtPhysics
- · Replies 2 ·
The Flying Leap of the Flea: Analyzing Acceleration and Forces
- pepov
- · Replies 10 ·
Solve Acceleration of Inclined Plane Given z,P,A
- Plutonium88
- · Replies 5 ·
How Do You Calculate Mass M1 in a Frictionless Incline Problem?
- NoobeAtPhysics
- · Replies 4 ·
What is the Polar Moment of Inertia and How is it Calculated?
- member 392791
- · Replies 10 ·
Solving the Newtonian Problem: Truck on Circular Track with Spider
- Nicolaus
- · Replies 9 ·
Minimizing Distance Between Two Moving Objects
- Rct33
- · Replies 11 ·
Circular Motion of a Marble: What Determines the Speed at a Given String Length?
- klc2006
- · Replies 6 ·
Calculate the packing fraction of an FCC pyramid
- ODBS
- · Replies 3 ·
Dimensions related to Planck's constant H
- ODBS
- · Replies 4 ·
Multi-Mass Force/Acceleration problem
- adorfy
- · Replies 5 ·
1st Law of Thermodynamics (Open System)
- SherlockOhms
- · Replies 1 ·
Acceleration of car on a gradient
- Molly1235
- · Replies 8 ·
How can Fourier analysis help find the spring constant (k)?
- southport
- · Replies 7 ·
Comparing Average Translational Kinetic Energy and Internal Energy of GD and GM
- Tanya Sharma
- · Replies 7 ·
(Momentum) Two people on a platform
- Mr. Box
- · Replies 3 ·
Understanding Polar Coordinate Unit Vectors
- Panphobia
- · Replies 37 ·
Loop-the-loop - constant velocity assumed?
- herschko
- · Replies 13 ·
Newton's Third Law Problem [Checking Solution]
- oMovements
- · Replies 2 ·
How Does Friction Affect the Deceleration and Distance Traveled by a Motorboat?
- prehisto
- · Replies 3 ·
C(v,m) vs C(p,m) and adiabatic, reversible work
- speny83
- · Replies 6 ·
Forces and Motion - Ramp Question
- Scimitar
- · Replies 2 ·
Electric Flux, Gauss's Law Problem
- henryli78
- · Replies 4 ·
Momentum of an astronaut floating in space
- nathancurtis11
- · Replies 9 ·
How Do You Solve a Newton's Second Law Problem with a Free Body Diagram?
- oMovements
- · Replies 3 ·
Calculate the electric flux piercing a cube?
- vmr101
- · Replies 3 ·
Solving Tension at an Angle: Friction, Force, Coefficient
- Yshai24
- · Replies 4 ·
Projectile motion maximum range problem
- FaraDazed
- · Replies 10 ·
A Rolling Bat Struck by a Ball
- A. Aspart
- · Replies 1 ·
Solving a Quick Velocity Problem: Catching a Hummer in Motion
- Speedking96
- · Replies 14 ·
Average acceleration given three velocity vectors?
- Esoremada
- · Replies 2 ·
How Do You Calculate a Boat's Path Across a River with a Current?
- eb22
- · Replies 1 ·
Will the Ice Cream Hit Your Professor's Head?
- NATURE.M
- · Replies 6 ·
Solve Third Law Problem: 833N Diver from 375kg Boat w/ 2.25m/s Velocity
- oMovements
- · Replies 5 ·
Just a quick check for my solutions - ice patch friction
- Elpinetos
- · Replies 5 ·
Newton's Third Law of Motion and wrecking ball
- Sylis
- · Replies 8 ·
What is the Acceleration of a Small Body Moving on a Parabola?
- GregoryGr
- · Replies 2 ·