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WorksheetsSimple machine and work and energy
Total questions: 15
Worksheet time: 8mins
A bucketful of water is to be drawn from a well. ….... will be done when a ……… is applied to do this, because there will be a ……….. of water.
•displacement, work, force
•Force, work, displacement
•Work, force, displacement
•Energy, pressure, work
If a ball is dropped on the sloping roof of a house, it acquires …… and falls on the ground. That is, transformation of …….. energy into ………. energy takes place.
kinetic, potential, motion
Motion, potential, kinetic
Potential, kinetic, motion
Motion, muscular, static
You might have seen some beautiful fireworks during Diwali. It is an example of transformation of ……. energy into……. energy.
Atomic, solar
Kinetic, electrical
Chemical, light
Heat, light
Lever consists of ______ parts
Two
Three
Four
None of these
Nail cutter is a ______________________class lever..
First
Second
Third
None of these
Stair case is a / an ________________.
lever
inclined plane
wheel and axle
none of these
In case of third class lever, the sequence is:
effort, load, fulcrum
fulcrum, load, effort
fulcrum, effort, load
load, fulcrum, effort
Sewing machine is a ___machine.
Simple
Complex
Challenging
Reasonable
Wind energy is used to generate electricity in a
Wind mill
rice mill
flour mill
water
We get tidal energy from___
Sea waves
Sun
Wind
all of these
What is the structure built on river to get electricity?
Road
barrier
dam
all of these
____ is done, when a force moves an object through some distance.
displacement
lifting
work
energy
Work depends on the
Force applied
Energy
object
none of these
____ is the energy an object has because of its motion or its position
light energy
heat energy
tidal energy
mechanical energy
Which energy is used by the plants?
Chemical
Light
heat
none of these
