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Doctors Medicines MCQs Q&A

Fill in the following blanks with suitable words : 

(a) To every action, there is an………………….. and…………………… reaction 

(b) Momentum is a…………….. Its emit is…………………… 

(c) Newton’s second law of motion can be written as Force = mass x …………………………… or Force = ……………….. of change of………………. 

(d) Forces in a Newton’s third law pair have equal………………… but act in opposite……………….. 

(e) In collisions and explosions, the total ……………… remains constant, provided that no external……………………..

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1 Answers

(a) Equal; opposite

(b) Vector; kg.m/s

(c) Acceleration; rate; momentum

(d) Magnitude; directions

(e) Momentum; force

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