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Question

# A parachutist along with the parachute has a mass of 75 kg. He jumps from a large height and is coming down with a uniform velocity with the parachute fully opened. The magnitude of force due to the air resistance is: ( take g=10m/s2).

A
zero
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B
<750N
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C
>750N
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D
750N
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Solution

## The correct option is D 750NThe downward force on the parachute is mg=750N. Since he is coming down with a uniform velocity that means the downward force is balanced by the upward force due to air. So, the force due to the air resistance is equal to 750N.

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