CBSE Class 11-science Physics Impulse and Newton's Third Law

• pls prove that
  
• a car is pulling a trailer in a plane.is force applied by car on trailer is equal to applied force by trailer on car?
• 21st sum
  
• State Newton's third law of motion.
• Newton's third law says that action and reaction are equal and opposite, then how does motion ever take place?
• Why does gun recoil while firing?
• Why is a hammer used to drive a nail into wood?
• Why chinaware and glassware are wrapped in paper or straw pieces before packing?
• What is the difference between the working of a jet plane and a rocket?
• The terms 'action' and 'reaction' in the third law gives an impression that action comes before reaction. Is there is any cause-effect relationship?

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