Advertisements
Advertisements
Question
Write the expression for the moment of force about a given axis.
Advertisements
Solution
Moment of force about a given axis = Force × perpendicular distance of force from the axis of rotation.
APPEARS IN
RELATED QUESTIONS
How does the magnitude of this non-contact force on the two bodies depend on the distance of separation between them?
An effort is applied on the bigger wheel of a gear having 32 teeth. It is used to turn a wheel of 8 teeth. Where it is used.
What is the SI unit of the moment of force?
Moment of force =............... × distance of force from the point of turning.
State two effects of a force when applied on a body.
How does the effect of force differ when it is applied on a non-rigid body?
State the S.I. unit of moment of force.
The diagram in the figure shows a uniform metre rule weighing 100 gf, pivoted as its centre O. two weight 150 gf and 250 gf hang from the point A and B respectively of the metre rule such that OA = 40 cm and OB = 20 cm . Calculate
the total anticlockwise moment about o.

Classify the following amongst contact and non-contact forces.
Frictional force
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.
