SATHEE: Laws Of Motion Question 267

Laws Of Motion Question 267

Question: A gun of mass $10 k g$ fires 4 bullets per second. The mass of each bullet is 20 g and the velocity of the bullet when it leaves the gun is $300 m s^{- 1} .$ The force required to hold the gun while firing is [EAMCET (Med.) 2000]

Options:

A) 6 N

B) 8 N

C) 24 N

D) 240 N

Show Answer

Answer:

Correct Answer: C

Solution:

Rate of change of momentum of the bullet in forward direction = Force required to hold the gun. $F = n m v = 4 \times 20 \times 10^{- 3} \times 300 = 24 N$

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Laws Of Motion Question 267

Question: A gun of mass $10 k g$ fires 4 bullets per second. The mass of each bullet is 20 g and the velocity of the bullet when it leaves the gun is $300 m s^{- 1} .$ The force required to hold the gun while firing is [EAMCET (Med.) 2000]

Options:

Answer:

Solution:

इंजीनियरिंग की तैयारी

चिकित्सा तैयारी

एनसीईआरटी पुस्तकें और समाधान

महत्वपूर्ण संसाधन

अन्य संसाधन

पाठ्यक्रम

परीक्षा मंच

नमूना मॉक टेस्ट

सदस्यता

एनसीईआरटी व्यायाम वीडियो समाधान

Laws Of Motion Question 267

Question: A gun of mass 10kg fires 4 bullets per second. The mass of each bullet is 20 g and the velocity of the bullet when it leaves the gun is 300ms−1. The force required to hold the gun while firing is [EAMCET (Med.) 2000]

Options:

Answer:

Solution:

इंजीनियरिंग की तैयारी

चिकित्सा तैयारी

एनसीईआरटी पुस्तकें और समाधान

महत्वपूर्ण संसाधन

अन्य संसाधन

पाठ्यक्रम

परीक्षा मंच

नमूना मॉक टेस्ट

सदस्यता

एनसीईआरटी व्यायाम वीडियो समाधान

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Question: A gun of mass $10 k g$ fires 4 bullets per second. The mass of each bullet is 20 g and the velocity of the bullet when it leaves the gun is $300 m s^{- 1} .$ The force required to hold the gun while firing is [EAMCET (Med.) 2000]