(a) You know that push or pull is called as force and it is the force which sets a body at rest into motion or stops a moving body. Prepare a list of examples from daily life where the force is applied in the form of push or pull and discuss these situations with your parents/friends.
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Find the value of: a. 7² b. (-15) c. (-0.5) d. (3) 2. What will be the unit digit of the squares of the following numbers? a. 82 b. 5261 3. Which of the following numbers cannot be perfect squares? a. 6621 b. 662 c. 1145 d. 1118 e. 6621 4. State which of these triplets form Pythagorean triplets. a. 11, 22, 33 b. 8, 15, 17 c. 7, 8, 10 5. What will be the length of the diagonal of a rectangle of sides 6 m and 8 m? 6. Simplify: √900+ √0.09+√0.000009 7. Find the square root of: 17137 256 1. Find the value of : a . 7² b . ( -15 ) c . ( -0.5 ) d . ( 3 ) 2. What will be the unit digit of the squares of the following numbers ? a . 82 b . 5261 3. Which of the following numbers cannot be perfect squares ? a . 6621 b . 662 c . 1145 d . 1118 e . 6621 4. State which of these triplets form Pythagorean triplets . a . 11 , 22 , 33 b . 8 , 15 , 17 c . 7 , 8 , 10 5. What will be the length of the diagonal of a rectangle of sides 6 m and 8 m ? 6. Simplify : √900 + √0.09 + √0.000009 7. Find the square root of : 17137 256