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प्रश्न
A man can open a nut by applying a force of 150 N by using a lever handle of length 0.4 m. What should be the length of the handle if he is able to open it by applying a force of 60 N?
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उत्तर
Given,
F1 = 150N
l1 = 0.4m
F2 = 60N
l2 = ?
∵ Force × perpendicular distance = constant
F1 × l1 = F2 × l2
150 × 0.4 = 60 × l2
l2 = 1m
संबंधित प्रश्न
Define the term Force?
Give one example in the given cases:-
A force moves a stationary body
Give one example in the given cases:-
A force changes the shape of a body
Give one example in the given cases:-
A force changes the shape of a body
Complete the following:
Force = mass x ............
Which of the following is not the force at a distance:
(a) electrostatic force
(b) gravitational force
(c) frictional force.
(d) magnetic force.
Give two examples each of contact and non-contact forces.
If we apply force against the direction of motion of the body, then the body will
To produce a displacement ______ is required.
Give the properties of force.
