The resistive force that is overcome by the effort is
load
fulcrum
pivot
resistance
A pair of scissors is an example of
wedge
lever
inclined plane
none of these
Simple machine which is used to lift heavy objects on a sloping surface is an ____
screw
axle
Work can be made easier by adjusting the position of
effort
Find the odd one
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.
A pair of pliers is an example of
class I lever
class II lever
Class III lever
Which of the following is not true for a machine?
To make our work convenient
To enable us to lift more load with less force
To enable us to make the measurement correctly
To make our work faster.
A force applied to a machine to do mechanical work is called
output
efficiency
Among the following _______ is not a simple machine
bead
scissors
knife
pulley
Who formulated the principle of levers ?
Albert Einstein
Archimedes
Robert Boyle
Issac Newton
