4 weeks ago Grade -12 (NEB) > Science English
Free Writing, Paragraph Writing
Write an essay on the changes brought by technology to human life.
The advancement in science and technology has brought a lot of changes in the life style of people and their sociocultural situations. Write a couple of paragraph describing this situation and the related problems.
What form of energy is contained in the following?
What form of energy is contained in the following?
- food
- magnet
- a stone at height
- fuel
- moving vehicle
- sun
What is the difference between kinetic energy and potential energy?
Differentiate between kinetic energy and the potential enrgy.
State the conditions under which a force does no work.
State the conditions under which a force does no work.
A boy standing for the whole day feels tired. Has he done any work? Why does he feel tired?
A boy standing for the whole day feels tired. Has he done any work? Why does he feel tired?
Calculate work done against friction when 5 kg mass is dragged about 5 m distance.
Calculate work done against friction when 5 kg mass is dragged about 5 m distance.
Find the work done if 5N force is applied to displace a book through 20 cm
Find the work done by a boy if he applies the force of 5N to displace a book through 20 cm.
Calculate the work against gravity when 3 kg stone is raised by 3m.
Calculate the work against gravity when 3 kg stone is raised by 3m.