Advertisements
Advertisements
Question
The spanner (or wrench) has a long handle.
Advertisements
Solution
Spanner has a long handle to produce larger turning moment and small force is applied at the end of handles.
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?
The S.I. unit of force is kgf. (kilogram-force)
State two factors on which affect moment of force.
Is moment of force a scalar or a vector?
Write the expression for calculating the moment of force about a given axis.
A wheel of diameter 2 m is shown in the figure with the axle at O. A force F = 2 N is applied at B in the direction shown in the figure. Calculate the moment of force about
- the centre O, and
- the point A.
The diagram shows two forces F1 = 5 N and F2 = 3N acting at point A and B of a rod pivoted at a point O, such that OA = 2m and OB = 4m
Calculate:
- Moment of force F1 about O
- Moment of force F2 about O
- Total moment of the two forces about O.
Classify the following amongst contact and non-contact forces.
electrostatic force
Calculate the magnitude of the force of a couple, when the arm of the couple is 63 cm and the moment of the couple is 21 Nm.
A door lock is opened by turning the lever (handle) of length 0.2 m. If the moment of force produced is 1 Nm, then the minimum force required is ______.
