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Worksheetssound, work and energy
Total questions: 20
Worksheet time: 10mins
The work done when a force of 20N makes an object move 12m in the direction of the force
24 J
1.33 J
240 J
480 J
What is a unit of work?
Joul
Watt
Newton
Pascal
what is a main source of light energy?
sun
bulb
Two factors that determine work are
force
acceleration
mass
distance
velocity
Sounds travels through the air in ...
lumps
waves
strings
groups
Light Energy
Who would hear the song at the lowest volume?
child 1
child 2
child 3
child 4
How is a higher pitch produced on a guitar?
by plucking the strings harder
by tightening the strings
by loosening the strings
by stopping the strings from vibrating
The work done when a force of 20N makes an object move 12m in the direction of the force
24 J
1.33 J
240 J
480 J
the energy obtained from the rays of the sun is called
electrical energy
sound energy
solar energy
wind energy
work is not done during
running
studying
walking
playing cricket
1. Work is done during
swimming
reading a book
sleeping
holding a heavy object but not moving
You might have seen some beautiful fireworks during Diwali. It is an example of transformation of ______ energy into ______ energy. (Answer any one)
(a)
What is needed to calculate work?
(Two answers)
force
distance
time
mass
This form of energy is energy that is in motion....
kinetic
force
potential
elastic
Energy that is stored is....
Possible
Potential
Kinetic
Latent
The ability to cause change or the ability to do work is...
Fuel
Thermal
Energy
Joules
What is the formula of work?
W = F / d
W = F + d
W = F x d
W = F - d
Work done upon a body is :
A vector quantity
A scalar quantity
Both A and B are correct
None of these
