## Moment, equilibrium questions and answers

Moment, equilibrium questions and answers 1. When is object said to be in equilibrium? Answer: An object is said to be in equilibrium if is acted upon by two or more force and it does move or rotate. It shows that the resultant force acting on the system or the object is equal to zero. … ## Painful menstruation, cause, symptoms and solutions

Painful menstruation Painful menstruation: Menstruation which is a regular occurrence in adult females is the discharging of blood and mucosal tissues from the lining of the uterus from the vagina once every month.  Menstruation last about 2 to 7 days before it stops, though normal period should be 4 days.  The first menstruation that occur … ## What you should be doing from your 40 year of age.

At 40 biological and chemistry changes start in your body, from 40 years, you start counting down, because is only few people that live above 80 years, and you may  not. Therefore if you are lucky to reach 40 years, know that is time for you to correct some certain things in your life. This … ## Density, Relative density, questions and answers

1. What is density? Answer:   It can be defined as mass per a unit volume.  The density is given as 2. If the unit of densities =kg/ m3 , convert the density of 0.4g/cm3 to SI units. Answer:  Note that; 3. How do you define the relative densities of a substances? Answer: Here water … ## Fundamental, derived quantities and unit questions and answers

1. Name three important fundamental quantities Answer: The three important fundamental quantities are Mass, Length, and time 2. Why is Mass, length and Time most important fundamental quantities? Answer: They are most important fundamental quantities because, the units of these quantities form base unit upon which the units of other quantities depend on. 3. What … ## Charge: Electric charges and atom questions and answers

Electric charges, atom questions and answers 1. What is static electricity? Answer:  Static electricity can be defined as a electric charge at rest. 2. What are the two types of static charges? Answer: They are Positive and negative charges 3. Electron and proton are negatively and positively charged respectively, so what charge is Neutron Answer: …

## Acceleration questions and answers in physics

1. What is acceleration? Answer: Acceleration is the rate of change of velocity or it can be simply defined as change in velocity per time. It is given mathematically as  Where a = acceleration, V=velocity and t= time taken 2. What is S.I unit of acceleration? Answer: It is m/s2 (that is meter per a … ## Electric components and symbols in physicss

Electric components and symbols What are the electric components? They are component needed in electric circuit for it to function and perform the purpose of designing the circuit. These components are , resistor, diode, Ic ( integrated circuit), transistor, capacitor, lED, LCD,  and many more. Electric components are of two types, active and passive components … ## crystalline, crystals definition, questions and answers

Crystalline and crystals 1. What is crystal? Answer:  A crystal is any solid substance that has definite melting point. 2. What is a crystalline compound? Answer:  A crystalline compound is a compound that has a definite shape peculiar to that compound 3. A substance of the same crystalline shape is referred to as what Answer: … ## magnet and magnetism questions and answers

Magnet and magnetism in physics 1. What is a magnetic material? Answer: A magnetic material is any material that can be attracted by magnet.? 2. What is a magnet? Answer: A magnet is any material that can attract magnetic materials. 3. What happen to a bar magnet suspended freely in the air? Answer:  When a …