Advertisements
Advertisements
प्रश्न
Give any two effects of a force on a non-rigid body.
उत्तर
Two effects of a force on a non-rigid body are:
(i) Force can change the state of rest or motion of the body
(ii) Force can change the size or shape of the body.
APPEARS IN
संबंधित प्रश्न
A half metre rod is pivoted at the centre with two weights of 20gf and 12gf suspended at a perpendicular distance of 6 cm and 10 cm from the pivot respectively as shown below.
1) Which of the two forces acting on the rigid rod causes clockwise moment?
2) Is the rod in equilibrium?
3) The direction of 20 kgf force is reversed. What is the magnitude of the resultant moment of the forces on the rod?
The S.I. unit of force is kgf. (kilogram-force)
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.
Calculate the acceleration produced in a body of mass 50 g when acted upon by a force of 20 N.
A car of mass 600 kg is moving with a speed of 10 m-1 while a scooter of mass 80 kg is moving with speed of 50 m s-1. which vehicle will require more force to stop it in the (1) same interval of time (2) same distance
What do you understand by the clockwise and anticlockwise moment of force? When is it taken positive?
A wheel of diameter 3 m is shown in fig. 2 with axle at 0. A force F = 8 N is applied at Q in the direction shown in figure. Calculate the moment of force about:
(i) centre o, and
(ii) point p.
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 difference of anticlockwise and clockwise moment
Write the expression for calculating the moment of force about a given point.
