Theoretical Force Due to Gravity on Hanger and its Masses , Theoretical Work Don

Question

Theoretical Force Due to Gravity on Hanger and its Masses , Theoretical Work Done on System Due to Gravity , Ratio of Measured Work to Theoretical Work , Ratio of Kinetic Energy Work to Theoretical Work

Total mass of cart, force sensor, and bar1.291 kg

Run #1

Total Mass of Cart and Hanger System: 1.35kg

Run #2

Total Mass of Cart and Hanger System: 1.35kg

Run #1 0.059 kg 0.37 m Total Mass of Hanger and 50-g Mass Distance Traveled by the System Measured Final Kinetic Energy of Cart 0.19 J Measured Work 0.19 N·m Run #2 0.080 kg 0.32 m Total Mass of Hanger and 70-g Mass Distance Traveled by the System Measured Final Kinetic Energy of Cart 0.21 Measured Work 0.24 N· n

Explanation / Answer

Run #1

theoretical Force due to gravity is 0.059*9.81 =0.57879 N

Theoritical work done is W = 0.57879*0.37 = 0.2141523 N-m

ratio is 0.19/0.2141 =0.887

ratio is 0.19/0.2141 = 0.887

       RUN#2

theoritical force due to gravity is 0.080*9.81 = 0.7848 N

Theoretical work done is W = 0.7848*0.32 = 0.251136 N-m

Ratio is 0.24/0.2511 = 0.955

ratio is 0.21/0.2511 = 0.836

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