General Science - Physics (Basics)
Which simple machine is used in a staircase to help people climb to higher floors with less effort?
Which simple machine is used in a staircase to help people climb to higher floors with less effort?
medium Q4 of 15
Step-by-Step Solution
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.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.Final Answer:
Inclined Plane → Option BQuick 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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