## Work Done Quiz with answers

The concept of work done is fundamental in physics. Whether you are studying physics as a pastime or preparing for tests such as the MCAT, AP Physics, GCSE, or IB, you must track your progress. You can test your concepts in this Work done quiz by taking this online practice quiz. Concepts you must be …

## What unit of measurement is used for mass?

We measure objects not only in physics or chemistry labs but in our day-to-day life. Whenever we are measuring any object we must measure it according to some predefined units which are standards for the industry and the scientific community. Let’s learn about some standard units of measurement for measuring mass.  What unit of measurement …

## What is instantaneous speed?

We already know what is speed in physics. In this article, we will learn about instantaneous speed. We would also look at a few example questions based on instantaneous speed. Speed DefinitionSpeed is defined as the rate at which the position of any object changes over time. An object’s speed might vary as it moves. …

## Order of magnitude Physics

In physics, we come across quantities that vary over a wide range. For example, we deal with both massive planetary objects like planets and galaxies, as well as very microscopic particles like the nucleus of an atom.No matter how massive or small a physical quantity is, we need magnitude to describe it.For a physical quantity, …

## The direction of electric field for positive charge and negative charge

Welcome to this tutorial on the direction of the electric field for positive charge and negative charge. Our previous article explained how to calculate the force between two charges using Coulomb’s Law. We know that electric charges are of two types Positive charges and negative charges To find the direction of the electric field of …

## How to calculate force between two charges

In this article, we will learn how to calculate the force between two charges. The force between two charges can be found using Coulomb’s Law in electrostatics. Before going any further, let us learn what is Coulomb’s Law. Coulomb’s Law states that The electrostatic force of interaction between two point charges is directly proportional to …

## Frequency Formula Physics

In this article learn about the frequency formula used in physics. Frequency is an important concept that is used a lot in science and engineering.Here in this article, we will be learning about the temporal frequency formulas. Term Temporal frequency is used in order to distinguish it from spatial frequency. What is Frequency Temporal frequency …

## What is the effect of reducing friction on a machine?

What is the effect of reducing friction on a machine? will be discussed in this article. Before proceeding, let us first examine the concept of friction or frictional force. What is friction? Friction is described as a force that tends to oppose the motion of an object across any surface with which it comes into …

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