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Nikol-Naroda unk Road, Near Shukan Banglows, Ahmedal GRADE 7 PHYSICS (WORKSHEET CHIP 1.2 ill in the blanks : The S. I unit of area is 1ml The maximum volume of a liquid that a container can hold is known as its The total space occupied by an object is called its A body is said to be at rest if its with respect to a fixed point in its surroundin not change with time Vibratory motion is a special case of motion The SI unit of speed is "hange in the position of a body can be described by its kgf = he ratio of the total distance travelled to the total time taken is called the following: locity iform velocity riable velocity |
| Answer» TION:AB =i+4j−k and CD =−2i−8j+2kHence the angle between the vectors is given asθ=cos −1 ( AB.CDAB . CD )=cos −1 ( 18 × 72 −2−32−2 )=cos −1 ( 36−36 )=cos −1 (−1) | |