(a) To stretch the bow, the archer applies a force that causes a change in its shape.
(b) The force applied by the archer to stretch the bow is an example of contact force.
(c) The type of force responsible for a change in the state of motion of the arrow is an example of a muscular force.
(d) While the arrow moves towards its target, the forces acting on it are due to gravity and that due to friction of air.
Select the correct word from the following list and fill in the blanks.
float, water, crop, nutrients, preparation
| A | B | ||
|---|---|---|---|
| (i) | Kharif crops | (a) | Food for cattle |
| (ii) | Rabi crops | (b) | Urea and super phosphate |
| (iii) | Chemical fertilizers | (c) | Animal excreta, cow dung urine and plant waste |
| (iv) | Organic manure | (d) | Wheat, gram, pea |
| (e) | Paddy and maize | ||