EASY
6th ICSE
IMPORTANT
Earn 100

Catapult is an example of class I lever.

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Important Questions on Energy: Simple Machines

EASY
6th ICSE
IMPORTANT
Class III levers have mechanical advantage greater than 1.
EASY
6th ICSE
IMPORTANT
Bottle opener is an example of class II lever.
EASY
6th ICSE
IMPORTANT
A single fixed pulley does not decrease the effort needed to do the work.
EASY
6th ICSE
IMPORTANT
A wedge has two sharp ends.
EASY
6th ICSE
IMPORTANT
Define mechanical advantage.
EASY
6th ICSE
IMPORTANT
Define a fulcrum.
EASY
6th ICSE
IMPORTANT
Define an axle.
EASY
6th ICSE
IMPORTANT
Define efficiency.