Complete the correlation: Straight steep staircase : Less mechanical advantage :: Spiral staircase : ___

Complete the correlation: Straight steep staircase : Less mechanical advantage :: Spiral staircase : ___
  1. Greater mechanical advantage
  2. Zero mechanical advantage
  3. Equal effort to vertical jump
  4. Class I lever

Solution

A spiral staircase gently winds upward over a longer distance, providing a gentler slope and therefore greater mechanical advantage than a short, steep straight staircase.

Asked in: Homi Bhabha Practice

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