Examples from Momentum

Two-Dimensional Collisions

Page:
Out of Bounds — A typical perfectly inelastic collision in 2-D.
Page:
Cue the Right-Angle Bracket — Learn a valuable shortcut for dealing with a specific kind of elastic collision.
Page:
A Walk on the Pond — How far will two children slide after a perfectly inelastic collision?
Page:
Pushing a Box — A person pushes a box of mass 15 kg along a smooth floor by applying a perfectly horizontal force F.
- dynamics
- example_problem
Page:
Pushing Two Boxes — A person pushes a box of mass 15 kg along a smooth floor by applying a perfectly horizontal force F. In the process, the 15 kg box pushes against another box with a mass of 10 kg and causes it to move.
- dynamics
- example_problem
Page:
Pushing a Box with Friction — Assuming the coefficient of kinetic friction between the box and the ground is 0.45, what is the magnitude of F?
Page:
I'm Inclined to Tilt the Coordinates — Basic inclined plane problems illustrating the advantage of tilted coordinates.
Page:
Bungee Jump — Bungee jumps involve elastic and gravitational potential energy.
Page:
Pushing a Box Some More — A person pushes a box of mass 15 kg along a smooth floor by applying a force F at an angle of 30° below the horizontal.
Page:
Apparently I've Lost Weight — Finding apparent weight using normal force.
Page:
Watch Your Head — Consider the impulse and average force delivered to the head of a player performing a "header" in soccer.
Page:
When 7000 hp Just Isn't Enough — Explore the kinematics of constant power (as opposed to constant force).
Page:
Give it a Kick — A standard example from work and energy.
Page:
Bungee Jumping for the Brave — A more complicated version of the Bungee Jump problem.
Page:
Fountain — Modern fountains are an excellent example of projectile motion.
Page:
Skydiving — Explore the force from air resistance acting on a skydiver at various stages of the dive.
Page:
Atwood's Machine — The standard pulley problem as an example of systems.
Page:
Mass Between Two Springs — A case of Simple Harmonic Motion.
Page:
Lissajous Figures and the Bowditch Pendulum — Image generated by a Pendulum with two natural Frequencies.
Page:
Finding Normal — Several examples showing how to find the normal force in common situations.
Page:
Close the Gate — Classic example of static friction on a moving surface.
Page:
Is That Normal? — Several examples illustrating how to find the normal force in not-so-common situations.
Page:
Why are you always so negative? — Explore the reason that kinetic friction usually produces negative work.
Page:
Accelerating Flywheel — Acceleration of a symmetric object about a fixed axis under constant torque (single-axis).
Page:
Rotating a Space Ship — Changes in Angular Velocity when the Moment of Inertia is changed, but no torque applied.
Page:
Basics of Static Friction — An introduction to determining the size of the static friction force.
Page:
Spring has Sprung — Energy and springs.
Page:
Let it Rain — Analyzing a continuous momentum flux (falling water).
Page:
A ball hits a bar and sticks to it. — find the angular velocity and the velocity of the final object's (bar + ball) center of mass
Page:
Spinning Top — The rapidly spinning Symmetric Top exhibiting Precession under the force of gravity (near-earth) is a classic Physics problem.
Page:
Moment of Inertia of a Solid Sphere — Integrate to find the moment of inertia of a solid sphere.
Page:
Lost in Space — The dangers of angular momentum in outer space.
Page:
Big Ben — Check Parliament's math by calculating the period of Big Ben's pendulum.
Page:
Moment of Inertia of a Block — Evaluate the integral to find the moment of inertia of a rectangular block.
Page:
Overdriving Headlights — How long can you drive at constant velocity before you have to hit the brakes, assuming standard night detection distances?
Page:
Pushing a Box with Friction Some More — A person pushes a box of mass 15 kg along a floor by applying a force F at an angle of 30° below the horizontal. There is friction between the box and the floor
Page:
The Ladder Problem — A standard statics problem.
Page:
Keys Please — Keys moving in 1D freefall with or without initial velocity.
Page:
Training Flight — In this example we will calculate acceleration, time, speed, and distance assuming constant acceleration.
Page:
Sliding Yardstick — What happens to a yardstick (or meter stick) supported by two fingers as those fingers are slowly moved toward each other?
Page:
Pull Harder! — Examine the work needed to change the radius of rotation of an object rotating in a circle.
Page:
Twirling Skater — Changes in Angular Velocity when the Moment of Inertia is changed, but no torque applied.
Page:
Rolling Coin — A Coin rolling on its edge with a slight tilt will trace out a circle. What is its radius?
Page:
Dwarf Mistletoe — Perhaps this parasitic plant should be called "Dwarf Missiletoe".
Page:
Roller Coaster Diet? — A good roller coaster uses significant turning accelerations to produce large swings in the rider's apparent weight.
Page:
Path Independence — An illustration of the path independence of gravitational work.
Page:
Head-on Collision — Compare the forces on the occupants of two cars in a 1-D totally inelastic collision.
Page:
Rope Bridge — The tension in ropes supporting an object can sometimes be much larger than the object's weight.
Page:
Campus Tour — Basic problem to illustrate graphical representation of position and velocity.
Page:
An Exercise in Continuity — An introduction to continuously piecing together kinematic solutions for time intervals with different accelerations.

Child pages

Examples from Momentum

Two-Dimensional Collisions