Physics It is easier to roll a barrel full of coal tar than to pull it because the full weight of the barrel comes into play when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled 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 the full weight of the barrel comes into play when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled 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 ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? None of these The sudden expansion of a compressed gas The ice which deposits on the freezer The evaporation of a volatile liquid None of these The sudden expansion of a compressed gas The ice which deposits on the freezer The evaporation of a volatile liquid ANSWER DOWNLOAD EXAMIANS APP
Physics In a freezer ice cubes will be formed more quickly in trays made of Wood Plastic Aluminium Rubber Wood Plastic Aluminium Rubber ANSWER DOWNLOAD EXAMIANS APP
Physics At the center of the sun, fusion converts hydrogen into Plutonium Carbon Helium Water Plutonium Carbon Helium Water ANSWER DOWNLOAD EXAMIANS APP
Physics Which component of an IED creates an electrical charge? Power source Activator Explosive Fuse Power source Activator Explosive Fuse ANSWER DOWNLOAD EXAMIANS APP
Physics Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have Equal mass Equal weight Equal density Equal volume Equal mass Equal weight Equal density Equal volume ANSWER DOWNLOAD EXAMIANS APP
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