Question

Fill in the blanks
1. The momentum of an object is product of its mass and ……………..
Answer
2. According to second law of motion “the rate of change of momentum is directly proportional to ……………… applied”.
Answer
3. According to law of conservation of momentum “the total momentum of an isolated system is always ……………..
Answer
4. Recoiling of gun is an example of ………….. law of motion.
Answer
5. According to third law of motion “to every action there is an equal and ……………… reaction and they act on two different bodies”.
Answer
6. The forces are said to be balanced, if net force is ……………..
Answer
7. When a carpet is beaten with a stick, dust particle comes out. This phenomenon is an example of …………….. law of motion.​

Answer 1

Explanation:

1. velocity

2. Force

3. equal to the total momentum after collision

4. Third

5. opposite

6. Zero

7. First

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