Advertisements
Advertisements
प्रश्न
Explain the motion of a planet around the sun in a circular path.
Advertisements
उत्तर
A planet moves around the sun in a nearly circular path for which the gravitational force of attraction on the planet by the sun provides the necessary centripetal force required for circular motion.
APPEARS IN
संबंधित प्रश्न
How does the magnitude of this non-contact force on the two bodies depend on the distance of separation between them?
Moment of force =............... × distance of force from the point of turning.
In a door, handle is provided ......... from the hinges.
How does the effect of force differ when it is applied on a rigid body?
The steering wheel of a vehicle is of large diameter.
State Newton's first law of motion. Why is it called the law of inertia?
State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and mass for a constant 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.
A meter scale is provided at 10 cm mark and is balanced by suspending 400 g from 0 cm mark (fig.). Calculate the mass of meter scale.
Write the expression for calculating the moment of force about a given point.
