Rollercoaster physics
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Rollercoaster Physics. Chapters 1-8. Moving the cart up the hill. The force exerted over a certain distance is called WORK Work (Joules)= Force ( Newtons ) X Distance (Meters) How much work is required to lift the 1000 N cart to a height of 20 m??

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Rollercoaster Physics

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Rollercoaster physics

Rollercoaster Physics

Chapters 1-8


Moving the cart up the hill

Moving the cart up the hill

  • The force exerted over a certain distance is called WORK

  • Work (Joules)= Force (Newtons) X Distance (Meters)

  • How much work is required to lift the 1000 N cart to a height of 20 m??

  • Is the man in the black jershey doing any work? WHY OR WHY NOT?


The speed of work

The “speed” of work

  • The amount of work done over a period of time is called POWER

  • Power is measure with WATTS

  • Lifter lifts the weight in a shorter period of time (POWER LIFT)


Rollercoaster physics

Watch the two videos and imagine the highest point of the pyramid and the height needed to lift the pool over the house are the same. In which scenario is MORE WORK being done??


See what you know

See what you know…

  • Work on Page 19-20 in your workbooks

  • TAPE page 19 in your composition notebook AFTER we go over it in class

  • **Things to keep in mind for 1-4: If the amount of work remains the same, an increase in force will result in decrease of distance and vice versa

  • **Things to keep in mind for #5: Gravity PULLS objects down at a rate of 9.8 m/s²


At the top of the hill

At the TOP of the hill


The descent

The Descent

  • Gravity PULLS the cart down

  • The passengers experience an ACCELERATION as they start their descent AND as the slow down when approaching the next turn and hill

  • The change in MOMENTUM (velocity x mass) causes the passengers to be PUSHED against their seats

  • The length of TIME that gravity pulls on the cart is called an IMPULSE


The loop

The Loop

  • Feeling of Weightlessness (ALL forces are balanced); as soon as there is an unbalance, the feeling goes away

  • Potential Energy increases as the cart goes up the hill; Kinetic energy increases as cart goes DOWN the hill


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