Advertisements
Advertisements
प्रश्न
A force always produces both the linear and turning motions.
विकल्प
True
False
Advertisements
उत्तर
The given statement is False.
Explanation:
Turning motion depend on applied force and the perpendicular distance of force from axis o rotation, so if the distance is zero, there is no turning motion.
APPEARS IN
संबंधित प्रश्न
State two effects of a force when applied on a body.
A spanner of length 10 cm is used to open a nut by applying a minimum force of 5.0 N. Calculate the moment of force required.
Write an expression for the change in momentum of a body of mass m moving with velocity v if v << c.
State the condition when the change in the momentum of a body depends only on the change in its velocity.
Define the moment of force.
Fig. 5 shows a uniform meter scale weighing 200 gf. Provided at its centre. Two weights 300 gf and 500 gf are suspended from the ruler as shown in the diagram. Calculate the resultant torque of the ruler and hence calculate the distance from mid-point where a 100 gf should be suspended to balance the meter scale.

Three forces A, B and C are acting on a rigid body which can turn about O in fig.9. If all the three forces are applied simultaneously, in which direction will the body move? Explain.

In a beam balance when the beam is balanced in a horizontal position, it is in ________ equilibrium.
Under what condition will a set of gears produce a gain in torque.
The diagram in Fig shows two forces F1 = 5 N and F2 = 3 N acting at points A and B respectively of a rod pivoted at a point O, such that OA = 2 m and OB = 4 m.

Calculate:
- the moment of force F1 about O.
- the moment of force F2 about O.
- total moment of the two forces about O.
