If airflow lifts a 3.6 kg bird 50 m up, then the work done by the airflow is 1764 joules.
Given,
- Mass of the bird = 3.6 kg,
- displacement covered by the bird due to airflow d) = 50 m,
Work done against the friction (W) =?
We know that :
Work done against the friction (W) = force × displacement
W = F × d
W = m × g x d [ Force = mass × acceleration due to gravity ]
W = 3.6 × 9.8 × 50 [ g = 10 m/s2 ]
W = 1764 joules
Hence, the work done by the airflow is 1764 joules.
A force is an influence that has the power to alter an object's motion. A force can cause an object with mass to accelerate when it changes its velocity, for as when it moves away from rest.
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