Laws of Motion Set 4

Question - 15 Maximum mark : - 15

The one rupee coins are put on top of each other on a table. Each coin has a mass

Which of the following statements is not true

The force on the

(counted from the bottom) due to all the coins on its top is equal to

(downwards) The force on the

coin due to

coin is

(downwards) The reaction of the

coin on the

coin is

(upwards) The total force on the

coin is

(downwards) NULL NULL NULL

There is a simple pendulum hanging from the ceiling of a lift. When the lift is stand still, the time period of the pendulum is

. If the resultant acceleration becomes

, then the new time period of the pendulum is

NULL NULL NULL

If two forces of

each are acting along

and

axes, then the magnitude and direction of resultant is

NULL NULL NULL

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