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प्रश्न
A brass ball is hanging from a stiff cotton thread. Draw a neat labeled diagram showing the forces acting on the brass ball and cotton thread
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उत्तर
Forces acting on the brass ball and thread:
Tension acts on the thread in the upward direction, while weight mg of the ball acts downwards
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संबंधित प्रश्न
Thrust is the ............ force acting on a surface.
Match the column
| Column A | Column B |
| (a) Camel | (1) broad and deep foundation |
| (b) Truck | (2) broad feet |
| (c) Knife | (3) six or eight tyres |
| (d) High building | (4) sharp cutting edge |
| (e) Thrust | (5) atm |
| (f) Moment of force | (6) N |
| (g) Atmospheric pressure | (7) N m |
State the S.I. unit of moment of force.
What is thrust?
The moment of a force of 25 N about a point is 2.5 N m. Find the perpendicular distance of force from that point.
State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and force for a constant mass.
Is moment of force a scalar or a vector?
The perpendicular distance between the point of application of force and turning point is 1.75 m when a force of 80 N acts on a rigid body. Calculate the moment of force.
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 ______.
