WELCOME BACK!!
I hope everyone had a great break and is ready to jump back into things! Today in class, we did the Inertial Pendulum Lab. In this lab we explored a device called an intertial pendulum. Note: this device is DANGEROUS! Make sure to tape the "hazardous projectiles" (as described by Coats-Haan) in place before letting the pendulum swing. The point was, to see if the weight of an object has an effect on the period of the device. See, the gravittional force of the mass is removed because the two pieces of spring steel on the device move the mass to a point of equilibrium. After completing the lab, we worked with our teams to correct our diagnostic tests. We took these at the beginnning of the unit. These were turned in at the end of the class. For homework, we were assigned a worksheet of force law practive problems. In addition, a lab report for the Inertial Pendulum lab is due next Tuesday. Oh, and don't forget! We have a test coming up on Wednesday. If you didnt pick up the review before break, make sure to do that.
Question of the day: If you were on a space shuttle, what is one way that you could determine the mass of an object?
Answer: If you wanted to determine the mass of an object in space, you could use the inertial pendulum to time how long it takes for the pendulum to make 20 cycles and then compare with previous findings. I think that the pendulum works nearly the same in space.
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