A pair of pliers is an example of
class I lever
class II lever
Class III lever
none of these
______ is a rod which moves freely about a fixed point fulcrum.
Lever
Pulley
Screw
Wedge
Simple machine makes our work
easy
hard
simple
Simple machine which is used to lift heavy objects on a sloping surface is an ____
wedge
screw
inclined plane
axle
Who formulated the principle of levers ?
Albert Einstein
Archimedes
Robert Boyle
Issac Newton
Find the odd one
Nut cutter
Scissors
Wheel barrow
A force applied to a machine to do mechanical work is called
load
effort
output
efficiency
A physical balance is an example of
lever
Timber being loaded on lorries
Cycle can be placed on the veranda
Draw water from a well
Climb to the top floors of multi- storied buildings.
The point about which the lever turns is
resistance
fulcrum
