Question

What is the force when a bird perching on a tree​

Answer 1

Answer:-

Author has 498 answers and 157.3k answers view. Gravity of the bird. Post of the birds mass versus The Tree remaining erect from before the bird landed. Rigidity of the branch the bird landed on the versus the natural tendency of the branch moving with and without the extra mass.

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Answer 2

The force on a bird perching on a tree is the normal force.

• When a bird perches on a tree it exerts a force on the tree that is equal to the weight of the bird. If the mass of the bird is 'm' then the force exerted by it on the branch is 'mg'. (g= acceleration due to gravity)
• According to Newton's third law, ' every action has an opposite and equal reaction.'
• Thus the branch also exerts a force on the bird that is equal in magnitude but opposite in direction to mg.
• This force is called the normal reaction on the bird due to the tree.