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Which simple machine is used in a staircase to help people climb to higher floors with less effort?

medium Q4 of 15
General Science - Physics (Basics)
Which simple machine is used in a staircase to help people climb to higher floors with less effort?
ALever
BInclined Plane
CPulley
DScrew
Step-by-Step Solution
  1. Step 1: Identify the function of a staircase

    A staircase is an example of an inclined plane, which reduces the effort needed to climb by increasing the distance over which the force is applied.
  2. Step 2: Eliminate other options

    Lever is a rigid bar, pulley changes force direction, screw converts rotational force; none fit the function of a staircase.
  3. Final Answer:

    Inclined Plane → Option B
  4. Quick Check:

    Staircase function = Inclined Plane ✅
Quick Trick: Staircase = inclined plane for easier climbing.
Common Mistakes:
MISTAKES
  • Confusing lever or pulley with inclined plane in stairs.
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