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Two person manage to push a motorcar of mass 1200kg at a uniform velocity along a level road. The same motorcar can be pushed by three person which produce an acceleration of 0.2ms with what force does each person push the motorcar

Posted by Prajwal Bhovi 4 years, 3 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 4 years, 3 months ago

Mass of the motor car = 1200 kg

As only two persons manage to push the car,hence, the acceleration acquired by the car is given by the third person alone.

Acceleration produced by the car, when it is pushed by the third person,
is a = 0.2 m/s²

Let the force applied by the third person be F.

From Newton’s second law of motion: Force = Mass × Acceleration

So,F = 1200 × 0.2 = 240 N

Thus, the third person applies a force of magnitude 240 N. Hence, each person applies a force of 240 N to push the motor car.

1Thank You

ANSWER

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