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    Question

    Which of the following is caused due to the Newton’s

    first law of motion? I. When a motorcar makes a sharp turn at a high speed, we tend to get thrown to one side. II. When we are standing in a bus and the bus begins to move suddenly, we tend to fall backwards.
    A Neither I nor II Correct Answer Incorrect Answer
    B Only I Correct Answer Incorrect Answer
    C Both I and II Correct Answer Incorrect Answer
    D Only II Correct Answer Incorrect Answer

    Solution

    When a motor car makes a sharp turn we tend to move towards one direction because of inertia. The inertia of our body tends to resist the movement of the motor car and this leads us getting thrown to one side. This is due to inertia of rest of upper part of the passengers body when the bus or train suddenly starts moving, the lower part of the passenger's body starts moving along with the bus or train while upper part of the body has a tendency to remain in the state of rest due to inertia of rest and hence falls backward.

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