No student devices needed. Know more
15 questions
A push or pull is called ________
pull
friction
gravity
force
which of the following is force?
The different types of force are...
gravitational,magnetic,electrostatic and mechanical force
electrostatic and gravitational force
none of the above
What is buoyant force
to drop something in the water
to play with water
to drop something something in oil
none of the above
What is friction?
The force applied to stop a moving object.
The force applied on an object to tear it apart.
The force applied to an object to move the object
What is a simple machine?
A machine that makes our work easier by applying a little force only.
A machine that takes a lot of effort to use but helps us in every single thing like our chores.
A machine that is not easy to use but has a name as simple machine.
What is a lever?
....is a simple grey rod.
....is a rigid rod that is fixed at a point and cannot move.
....is a rigid rod in such a manner that it can move freely around a fixed point.
What is a fulcrum?
This is the fixed point around which the rod moves
The ability to do work
none of the above
What is a load?
A burden of something
The energy that we get from the sun.
None of the above.
what is a effort?
The power of the moving air.
It is the force that needs to be applied on the rod in order to perform a task
All of the above
Which of them is a second class lever?
Which of them is a first class lever?
Which of them is a third class lever?
Types of wheel and axles
screwdriver
steering wheel of a car
doorknob
chair
What is gravity?
It is a force that is used for making electricity work.
It is a force that pull objects to the centre of the earth.
It is a force used for making pottery.
Explore all questions with a free account