Energy or Momentum?Choosing between the two integrated forms of Newton's second law.Mechanical EngineeringWork and energyLinks force to distanceScalar: no components to resolveBest when you want a speedSprings and friction are easyImpulse and momentumLinks force to timeVector: resolve each directionBest when you want a time orimpulseThe only method for collisionsTHE DIFFERENCE THAT MATTERSDistance in the question, use energy. Time or a collision, usemomentum.Momentum is conserved in every collision. Kinetic energy is conservedonly in a perfectly elastic one.Energy or Momentum?learnposters.com
Energy or Momentum? — printable engineering wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the Energy or Momentum? poster

Work and energy against Impulse and momentum, side by side.

Momentum is conserved in every collision. Kinetic energy is conserved only in a perfectly elastic one.

Questions about the Energy or Momentum? poster

What’s on the Energy or Momentum? poster?
Work and energy against Impulse and momentum, side by side. Work and energy: Links force to distance; Work and energy: Scalar: no components to resolve; Work and energy: Best when you want a speed; Work and energy: Springs and friction are easy; Impulse and momentum: Links force to time; Impulse and momentum: Vector: resolve each direction; Impulse and momentum: Best when you want a time or impulse; Impulse and momentum: The only method for collisions; Distance in the question, use energy. Time or a collision, use momentum.. Momentum is conserved in every collision. Kinetic energy is conserved only in a perfectly elastic one.
Who is the Energy or Momentum? poster for?
Energy or Momentum? belongs to the Mechanical Engineering section rather than to a school year, because engineering is not something one grade owns. Anyone learning statics & dynamics can pin it up — a beginner, a student mid-course, or someone revising years later.
When should you use the Energy or Momentum? poster?
Once you have the free body and are deciding which method to write down. A wall chart earns its place by being glanceable from where the work is happening, so Energy or Momentum? belongs on the wall where that engineering work actually happens, within glancing distance, rather than filed away.
What other posters go with Energy or Momentum??
Finding a Centroid, Dry Friction and Static Equilibrium sit alongside Energy or Momentum? in the Mechanical Engineering section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Finding a CentroidDry FrictionStatic Equilibrium
Is the Energy or Momentum? poster free to download and print?
Yes. Energy or Momentum? downloads as a free PDF with no account, no email and no watermark, like everything else in the Mechanical Engineering section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the Energy or Momentum? poster print at?
Energy or Momentum? is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Energy or Momentum? loses nothing.Printing guide

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