Physics It is easier to roll a barrel full of coal tar than to pull it because more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction ANSWER DOWNLOAD EXAMIANS APP
Physics If a band is played on the moon the sound will Reverberate Not be heard at any distance at all from it Be heard upto 10km from it Be heard by us faintly Reverberate Not be heard at any distance at all from it Be heard upto 10km from it Be heard by us faintly ANSWER DOWNLOAD EXAMIANS APP
Physics Force of impact is the force None of these By the objects weight By the speed of the object When the objects meet None of these By the objects weight By the speed of the object When the objects meet ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is a good electrical conductor? Charcoal Peat Graphite Diamond Charcoal Peat Graphite Diamond ANSWER DOWNLOAD EXAMIANS APP
Physics Minimum number of unequal vectors which can give zero resultant are four more than four two three four more than four two three ANSWER DOWNLOAD EXAMIANS APP
Physics What is the source of energy for the water cycle? Clouds Sun Rain water Animals Clouds Sun Rain water Animals ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS