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JEOPARDY!. Click Once to Begin. Unit 5 Exam – Physics Circular & Harmonic Motion. JEOPARDY!. Definitions. Labs. Demos/ Activities. Circular Motion. Harmonic Motion. Empty. 100. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 300. 400.

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jeopardy

JEOPARDY!

Click Once to Begin

Unit 5 Exam – Physics

Circular & Harmonic Motion

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JEOPARDY!

Definitions

Labs

Demos/ Activities

Circular Motion

Harmonic Motion

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any object moving in a circular path has an acceleration pointing toward the center of the circle

Any object moving in a circular path has an acceleration pointing toward the center of the circle.

slide12

A sensation someone experiences when they are in free-fall—when there are no contact forces acting upon them.

for the pendulum lab what did we graph in order to calculate the acceleration due to gravity

For the Pendulum Lab, what did we graph in order to calculate the acceleration due to gravity?

slide17

In the Simple Harmonic Motion – Springs Lab, we discovered that the period of a spring in simple harmonic motion depends only on what two things?

in the hooke s law lab we graphed spring force vs displacement what was the slope of the line

In the Hooke’s Law Lab, we graphed Spring Force vs. Displacement. What was the slope of the line?

slide21

During the airplane lab you measured the length of the string and the radius of the circle. Why did you need both of these distances?

slide22

You needed the length of the spring and the radius in order to calculate the angle that the string was making with the vertical. This angle was then used to help calculate the centripetal force.

slide23

In order to transfer the marble from the Styrofoam cup into the paper cup, you had to spin the marble in a relatively fast circle around the inside of the Styrofoam cup. This circular motion created a force on the marble that pointed in which direction?

slide25

When we swung a water cup on a platform in a circle over our heads, the cup didn’t fall off the platform and the water didn’t spill, even though the centripetal force points toward the center. Why?

slide26

Inertia wants the cup to fly off in a direction tangent to the circular path, but the platform keeps getting in the way.

slide29

When we dropped the wine glass, the centripetal force had to be greater than the force of _____ in order for the glass to survive.

slide31

The ball and cup toy uses centripetal acceleration to cause the ball to travel in a circular path. What force causes the centripetal acceleration?

slide35

There is always a centripetal acceleration during uniform circular motion because the _______ is always changing.

slide37

Daily Double!!!

Use the circle provided to draw in the velocity vector and the acceleration vector for an object traveling in a clockwise circle. What is the angle between these vectors?

slide38

ac

v

90 degrees

slide39

“Centrifugal Force” is really a fictitious force. People feel a sensation of being pressed outward when traveling in a circle because of which physics principle?

slide40

Inertia. For example, on a circular fair ride the person wants to travel in a straight line (due to inertia) but the ride keeps turning and getting in the way.

slide52

In order to measure one full cycle, you must time from one amplitude maximum to the next. For example, the left-most position of the pendulum back to the left-most position of the pendulum. Or the top of the oscillating spring back to the top of the oscillating spring.

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