Draw a free body diagram of an individual performing calfraises, rising onto the balls of their feet
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Question:
Draw a free body diagram of an individual performing calfraises, rising onto the balls of their feet and then lowering theirheels.
Draw a free body diagram of an individual performing overheadtriceps extensions with a 5kg dumbbell.
Draw a free body diagram of the scenario described below usingthe provided: A gym-goer is holding a dumbbell statically while hesnaps a quick selfie in the mirror. Here is what you know:
- Elbow flexion angle = 90 ?
- The torque generated at the elbow due to the force of thebiceps = 78.48Nm
- External resistance = 20kg
- Moment arm of the biceps = 2cm
- Distance from the elbow joint center to the external resistance= 40cm
Determine which of the followingcorrectly describes the mechanical advantage of the thirdsystem?
- Mechanical advantage is greater than 1.0 and therefore a lowforce is needed to overcome the resistance.
- Mechanical advantage is less than 1.0 and therefore a highforce is needed to overcome resistance.
- Mechanical advantage is greater than 1.0 and therefore a lowforce is needed to overcome resistance.
- Mechanical advantage is less than 1.0 and therefore a low forceis needed to overcome resistance.
Related Book For
An Introduction To Mechanical Engineering
ISBN: 9781111576820
3rd Edition
Authors: Jonathan Wickert, Kemper Lewis
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