A Design Project Requires You to Construct a Crane to Lift

question 3

Multiple Choice

A design project requires you to construct a crane to lift a maximum of 5000 kg and with a maximum upward acceleration of 2 m/s²,and with a safety factor of 5.If the cable is 20m long,by how much does the cable stretch when the crane is operating at the design limits?

• A)2.80 cm
• B)1.05 cm
• C)6.21 cm
• D)0.84 cm
• E)5.22 cm

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A global conflict that lasted from 1939 to 1945, involving most of the world's nations, including all great powers, organized into two opposing military alliances: the Allies and the Axis.

Eric Foner

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