WorksheetsForce , Work and Energy
Total questions: 20
Worksheet time: 11mins
A ______ and push on an object i called force.
pull
push
wedge
pully
Force can stop a moving object.
True
False
The force applied by a magnet on an object is called ______________.
magnetic force
electrostatic force
force of friction
The upward force acting on an object is called__________.
force of friction
electrostatic force
buoyant force
magnetic force
Which force is this?
(a)
Sona is reading. ( Tell if Sona is doing work )
No she is not doing work
Yes she is doing work
I don't know
Raman is eating food. ( Tell if Raman is doing work )
No he is not doing work
Yes he is doing work
I don't know
What is Energy?
Ability to do work
pull or push
Energy from Heat
Work
What is Kinetic Energy?
the energy that we get from movement is called kinetic energy.
the upward force acting
due to hight
due to air
What is simple machine?
make our work hard and slow
The machine that make our work easier and faster is called simple machine.
Steple machine is an example of _________ lever.
fifth class
first class
third class
second class
A nut cracker is an example of ________ lever.
third class
fulcrum
second class
first class
A see - saw is an example of __________ lever.
lever
first class
second class
third class
Two types of pully are __________ and ___________. ( there can be two answers)
Single fixed pullly
screw
incline plane
single moveable pully
Wedge is always w shape.
True
False
What is compound machine.
a machine that contains several simple machine
the device that makes our work easier
ability to do work
a pull or push
Earths ________ keeps us and other object on the ground.
gravity
humidity
easy
hard
Name the force that help us to walk .
force
pull
Friction
push
Name one third class lever
ice tongs
scissors
wheelbarrow
bottle opener
Name a device that uses solar energy
solar cooker
gas
car
Table
