What is non-contact force ?
A magnet can exert a force on another magnet without being in contact with it.The force exerted by a magnet is an example of a non-contact force.
What is force of friction?
The force responsible for changing the state of motion of objects in all these examples is the force of friction. It is theforce of friction between the surface of the ball and the ground that brings the moving ball to rest. Similarly, frictionbetween water and the boat brings it to a stop once you stop …
The application of force on an object
The application of force on an object may change its shape. Having performed all the above activities, you would have realised that a force l may make an object move from rest.l may change the speed of an object if it is moving. l may change the direction of motion of an object. l may …
What is contact force ?
Muscular force can be applied only when it is in contact with an object, it is also called a contact force.
What is muscular force ?
The force resulting due to the action of muscles is known as the muscular force.
What is force ?
Force: a push or a pull on an object is called force. Force may impart motion to an object. • it is applied on an object in the same direction add to one another. • The strength of a force is usually expressed by its magnitude.
What is Adolescent Pregnancy ?
Adolescent PregnancyYou might be knowing that in our country, the legal age for marriage is 18 years for girls and 21 years for boys. This is because teenage mothers are not prepared mentally or physically for motherhood. Early marriage and motherhood cause health problems in the mother and the child. It also curtails employment opportunities …
What is sex chromosomes ?
Two chromosomes out of these are the sex chromosomes, named X and Y. A female has two X chromosomes, while a male has one X and one Y chromosome. The gametes (egg and sperm) have only one set of chromosomes. The unfertilised egg always has one X chromosome.
What is menopause ?
At 45 to 50 years of age, the menstrual cycle stops.Stoppage of menstruation is termed menopause. . Initially, menstrual cycle may be irregular. It take some time to become regular.
What is menarche ?
The first menstrual flow begins at puberty at the age of 13 -16 years in female and is termed menarche.