WorksheetsForce, Work and Energy
Total questions: 22
Worksheet time: 12mins
What is a force?
(a)
What Force can do?
Make an object move
Stop a moving object
Change direction of an object
all of the above
What is muscular force?
In which bone are used to apply force
In which muscles are used to apply force
Both A and B
None of the above
To write in a notebook which force is used?
Gravitational Force
Frictional Force
Elastic Force
Muscular Force
What is Frictional Force?
It acts in the direction opposite to the direction of movement and stops the object after some time
It is the force of attraction
An object go back to its original state
It acts to change its motion or start things
Which of the following is correct?
Less force is used to do more work
More force is used to do more work
Both A and B
None of these
How many types of simple machines are there? Write in numbers.
(a)
How many types of levers are there?
1
2
3
4
The fulcrum should be bigger than load or smaller than load?
Bigger
Smaller
Both A and B
None of the Above
A sewing machine is which kind of machine?
Simple Machine
Complex Machine
Normal Machine
Super Machine
Which of the following is First Class Lever?
Which of the following is Second Class Lever?
Which of the following is Third Class Lever?
Write two example of Wedge.
(a)
In screw what is rolled around it?
Thread
Threat
Threaten
All of the above
Pulley is grooved with a wheel with a rope passing around it.
True
False
Energy is the ability to do homework.
True
False
Light Energy is given from?
The Sun
Fire
Candles
All of the above
Which of the following is incorrect?
Heat Energy is when things are burned
Sound is generated when an object stops
Electricity is also a kind of energy
Wind can move with the blades of a windmill.
True
False
Geothermal energy is obtained from the heat outside the Earth.
True
False
What is used to convert water energy to electrical energy?
Windmill
Solar Cooker
Turbine
None of these
