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Monday, 20 April 2026
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Physics Past Questions and Answers

Topic: Inertia

Jamb Physics Questions - Inertia

Question 1:
The driver in a motor car, of which the total mass is 800kg and which is traveling at 20ms-1, suddenly observes a stationary dog in his path 50m ahead. If the car brakes can exert a force of 2000N, what will most likely happen?
  • A The car will be able to stop immediately the driver notices the dog
  • B The car will stop 3pm after hitting the dog
  • C The car will stop 20m in front of the dog
  • D The driver will quickly reverse the car
  • E The car will stop 5m beyound the dog
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Question 2:
Which of the following is a correct explanation of the inertia of a body?
  • A Ability to overcome the earth's gravity
  • B Reluctance to stop moving
  • C Readiness to start moving
  • D Reluctance to start moving and its readiness to stop moving once it has begun to move
  • E Reluctance to start moving its reluctance to stop moving once it has begun to move
View Answer & Explanation