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Question

An 80 kg person is parachuting and is experiencing a downward acceleration of 2.8 m/s2. The mass of the parachute is 5 kg. Find the upward force on the open parachute is: (Take g=9.8 m/s2)/

A
595N
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B
675N
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C
456N
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D
925N
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Solution

The correct option is A 595N
By balancing force
859F=ma
85×9.8F=85×2.8
F=85×(9.82.8)
=85×7.0
=85×7
=595 N.
1877829_1277226_ans_052783cb70804f4faafc6efb650abad5.png

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