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Falling Chain Name: Date: (one ninja must have a forehead protector) (Chain-wielding Ninja illustrations here) Objective Determine the relationship between FORCE and TIME of a falling chain. Execute several trials. Diagram Materials: force sensor, bucket, chain, chain cutter (in case), stick (to stabilize force sensor), paper clip (to hang bucket from force sensor), ring stand, rod (to hold up force sensor), clamps x3 (to hold the ring stand, rod, and ruler in place). Introduction We are trying to find the relationship between the force of the chain and time. In this lab we will be using a force sensor, a bucket, and a chain. We will use the force sensor to find the force the chain exerts within a time interval. There is a momentum change (aka impulse) as the chain's velocity and the mass of chain at rest on the bucket increase. The following derivation of the formulas for the projected Force Vs. Time equation can be found on a separate page. Procedure 1. Set up lab as shown in diagram 2. Calibrate the force sensor 3. Take a paper clip and hook it on the force sensor and hook the bucket on the paperclip and open force sensor program 4. Find mass of bucket using force sensor program use formula (weight / gravity) to find mass 5. Put the chain in the bucket and find the mass of the chain (mass of chain=Mass found-bucket mass. 6. Note that the MAXIMUM amount of force allowed to be exerted on the sensor is 24N, and remember to recall the formula from the introduction to determine what the maximum mass of the chain should be. 7. Cut the chain to control the amount of mass you want 8. Get on an elevated surface hold chain folded in half with both ends of chain facing down at the bucket. 9. Collect data and at the same time drop the chain into the bucket. 10. Curve fit the graph and write down curve formula Repeat step 8 -10 for 3 trails Data Analysis Conclusion Sources of error