Physics It is easier to roll a barrel full of coal tar than to pull it because 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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Sources of geothermal power are None of these Both A & B Water Earth's heat None of these Both A & B Water Earth's heat ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? Water Air All of these Solar Water Air All of these Solar ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following terms is not used in the field of physics? Refractive index Nuclear fusion Stock value Latent heat Refractive index Nuclear fusion Stock value Latent heat ANSWER DOWNLOAD EXAMIANS APP
Physics The safest hammers are those with heads that are Chiseled and drop forged Alloy and drop-forged steel Welded and alloyed Cast steel and chiseled Chiseled and drop forged Alloy and drop-forged steel Welded and alloyed Cast steel and chiseled ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 1 MeV 0.1 MeV 100 MeV 10 MeV 1 MeV 0.1 MeV 100 MeV 10 MeV ANSWER DOWNLOAD EXAMIANS APP
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