Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
The total anticlockwise moment about O
= 150 gf x 40 cm = 6000 gf cm
संबंधित प्रश्न
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.
State the S.I. unit of moment of force.
State one factor on which the magnitude of a non-contact force depends. How does it depend on the factor stated by you?.
A, B and C are the three forces each of magnitude 4 N acting in the plane of the paper as shown in Figure. The point O lies in the same plane.
- Which force has the least moment about O? Give a reason.
- Which force has the greatest moment about O? Give a reason.
- Name the forces producing
(a) Clockwise
(b) anticlockwise moments. - What is the resultant torque about the point O?
Classify the following amongst contact and non-contact forces.
electrostatic force
In a beam balance when the beam is balanced in a horizontal position, it is in ________ equilibrium.
How does the distance of separation between two bodies affect the magnitude of the non-contact force between them?
Two similar vehicles are moving with the same velocity on the road, such that one of thus is loaded and the other one is empty which of the two vehicles will require larger force to stop?
State the effects that a force can produce. Given one example of each.
Calculate the minimum distance between point of application of force and axis of rotation of a rigid body, if a force 125 N produces a moment of force of 25.75 Nm.
