What is work done by centripetal force?

What is work done by centripetal force? The direction of centripetal force is always perpendicular to the direction of instantaneous velocity. The instantaneous displacement is in the direction of instantaneous velocity, therefore instantaneous displacement of particle is perpendicular to centripetal force. Hence work done by centripetal force is zero. What Read more…

What is meant by low income?

What is meant by low income? (also lower-income) not having or earning much money: Many struggle to make ends meet, particularly those from low-income families. low-income areas/communities/countries The fund helps low-income countries to increase their renewable energy use. Compare. What makes a family poor? A primary reason for poverty among Read more…