What is a Lever?
A lever is a straight bar that pivots on or [...]
What is a Machine?
Machines are tools that make our lives easier by saving [...]
What is a Pulley?
A pulley is a chain, belt or rope wrapped around [...]
What is a Screw?
A screw is an inclined plane wrapped around a cylinder. [...]
What is a Wedge?
A wedge is an inclined plane that is thick at [...]
What is a Wheel and an Axle?
A wheel attached to a bar so that they rotate [...]
What is Volume | How to calculate Volume
The volume of a body is the numerical value that [...]
What is Force?
We call force any cause (action, effort, or influence) that can alter the state of motion or rest of any object or deform it.
What is Light?
Light energy is a form of electromagnetic radiation of a wavelength, which can be seen by the human eye.
Parts of a Skeletal Muscle
Skeletal muscle is made up of muscle fibers, surrounded by [...]
