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Two similar trains are moving along the ...

Two similar trains are moving along the equational line with same speed but in opposite direction. Then :

A

they will exert equal force on rails

B

they will not exert any force as they are on equatorial line

C

one of them will exert zero force.

D

both exert different forces

Text Solution

Verified by Experts

The correct Answer is:
d
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Knowledge Check

  • Assertion : Two similar trains are moving along the equatorial line with the same speed but in opposite direction. They will exert equal pressure on the rails. Reason : In uniform circular motion the magnitude of acceleration remains constant but the direction continuously changes.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
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  • Two trains are moving on two parallel tracks but in opposite directions. A person sitting in the train moving at the speed of 80 km/hr passes the second train in 18 seconds. If the length of the second train is 1000 m, its speed is :

    A
    100 km/hr
    B
    120 km/hr
    C
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  • A train P takes 40 s to cross 800 m long and having a speed of 30m/s , in the opposite direction. It takes 120 s to cross another train twice its length and having the same speed and moving in the opposite direction to it . Find the length of the train P in metres.

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