Identify the odd one out based on the fundamental nature of the machine:

Identify the odd one out based on the fundamental nature of the machine:
  1. Bottle opener
  2. Electric mixer
  3. Knife
  4. Ramp

Solution

An electric mixer is a complex machine containing multiple parts driven by electricity, whereas a bottle opener, knife, and ramp are manual simple machines.

Asked in: Homi Bhabha Practice

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