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Unformatted text preview: s 1020 Laboratory #4 Force and Acceleration Aligning the Photogate and Card
- Important! The plastic card is shown at right. It
has a length of 13.6 cm. Place the plastic card in the cart
and the cart on the track as shown. Make sure that the plastic card blocks each photogate as the cart
passes through it. If not, adjust the height of the photogates. [Recall
from lab 3 how to check if the gate is blocked.] Physics 1020 Laboratory #4 Force and Acceleration Adjusting String and Pulley The string cannot be too long and it must be horizontal. Be sure from this point on NOT TO LET THE CART ROLL OFF THE
BENCH!! Temporarily attach the string to the cart with a 10.0g mass attached to
the end and be sure to keep a hold of the cart. First, adjust the height of the pulley so that the string is horizontal. Second, guide the cart through the second photogate so that the card is
not in the p...
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