When is inertia greatest

Which is the greatest inertia Brainly? Do all bodies have the same inertia if not name the factors which determine inertia of a body? Why does inertia exist? Do we understand inertia? What did Einstein say about inertia? How did Einstein think of general relativity? Did Einstein not believe in gravity? Is acceleration same as gravity? Previous Article Can I drive with broken exhaust pipe?

Next Article What is Twining basketry? Since the mass of a bowling ball is the greatest. Therefore, a bowling ball has the greatest inertia. The direction of a centripetal force is toward the center of curvature, the same as the direction of centripetal acceleration. Originally Answered: Can centripetal force be negative? Centripetal forces are just forces that have a direction and magnitude. Whether it points in the negative direction or not depends entirely on the coordinate system.

The circular motion adjusts its radius in response to changes in speed. This means that the radius of the circular path is variable, unlike the case of uniform circular motion. Centripetal And Centrifugal Force. Centripetal force is the force acting towards the centre of the circular path.

Whereas, the centrifugal force acts in a direction pointing away from the centre of the circle. A force acting on a moving body at an angle to the direction of motion, tending to make the body follow a circular or curved path. The force of gravity acting on a satellite in orbit is an example of a centripetal force; the friction of the tires of a car making a turn similarly provides centripetal force on the car.

Graph 1 shows the calculated moment of inertia of the diver during a forward pike dive. The graph has been divided into the 3 different phases. In phase 1, as the diver is leaving the board, the inertia is After a slight increase, the inertia decreases rapidly as the diver assumes the pike position.

At the end of this phase, moment of inertia is 6. The diver is in the full pike position now and is starting the somersaults. During the dive, inertia is constantly varying between 6. As the angular velocity increases, moment of inertia decreases and vice versa hence keeping angular momentum constant throughout the dive. In the final phase, the inertia initially decreases but as the divers straightens up; preparing to enter the water the moment of inertia begins to rise.

Graph 2 shows the moment of inertia for the backward pike dive. The graph is again divided into the 3 different phases. Initially, in phase 1, the moment of inertia is Once the diver has left the board, the moment of inertia decreases and continues to decrease until the diver assumes the pike position at the end of phase 1. During the second phase, the moment of inertia fluctuates in accordance with the decreasing angular velocity, keeping angular momentum constant.

At frame , the diver is starting to prepare for his entry into water and thus begins to release from the pike position. As he does so, the moment of inertia increases and continues to increase as the diver stretches out fully in order to enter the water in a straight line.

Graph 3 shows a comparison between the moments of inertia for both the forward and backward pike dives. The dives were compared from the frame of last contact with the board until the diver enters the water. The moment of inertia for the forward pike is more variable throughout the dive, yet both dives still follow a similar pattern. As the diver leaves the board moment of inertia decreases for both dives.

The backward pike dive takes a bit longer to decrease fully due it taking slightly longer to reach the pike position during a backward dive.