Advertisements
Advertisements
Question
A nut is opened by a wrench of length 25 cm. If the least force required is 10 N, find the moment of force needed to turn the nut.
Advertisements
Solution
Distance = 25 cm = `25/100` = 0.25 m
Force = 10 N
Moment of force = ?
Moment of force = Force × Distance
= 10 × 0.25
= 2.5 N m
APPEARS IN
RELATED QUESTIONS
Moment of force =............... × distance of force from the point of turning.
How does the effect of force differ when it is applied on a non-rigid body?
What are contact forces? Give two Example
What are non-contact forces? Give two example
State one way to reduce the moment of given force about a given axis of rotation.
A spanner (or wrench) has a long handle. Why?
Explain the motion of a planet around the sun in a circular path.
The diagram shows a uniform metre rule weighing 100gf, pivoted at its centre O. Two weights 150gf and 250gf hang from the point A and B respectively of the metre rule such that OA = 40 cm and OB = 20 cm. Calculate :
the total clockwise moment about O
How does the distance of separation between two bodies affect the magnitude of the non-contact force between them?
What is meant by the term ‘moment of force’? If the moment of force is assigned a negative sign then will the turning tendency of the force be clockwise or anti-clockwise?
