Question

a load of 400 newton is lifted by a first class lever in which the liver is it the distance of 20cm and the effort is the distance of 60 cm from the dream if 115 Newton effort is required to lift the load what is efficiency numericals problems​

Answer 1

Answer:

Explanation:

December 21 marks the winter solstice in the Northern Hemisphere, but in 2020 the longest night of the year is also going to be a witness to an incredible astronomic event known as the “great conjunction”. ... This rare double planet sighting–or “Great Conjunction”–can be viewed from anywhere around the globe.