Question

Explain Newton's Laws Of Motion – Observations of Galileo.​

Answer 1

Answer:

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Explanation:

1.Galileo's laws of Motion:

Aside from his numerous inventions, Galileo also laid down the first accurate laws of motion for masses. Galileo measured that all bodies accelerate at the same rate regardless of their size or mass.

Key among his investigations are:

developed the concept of motion in terms of velocity (speed and direction) through the use of inclined planes.

developed the idea of force, as a cause for motion.

determined that the natural state of an object is rest or uniform motion, i.e. objects always have a velocity, sometimes that velocity has a magnitude of zero = rest.

objects resist change in motion, which is called inertia.

2.Galileo determined the laws of gravity and explored the laws of motion on earth. Newton first conclusively affirmed the laws of motion and linked them with Kepler's laws of planetary motion. Before Newton, no one had demonstrated conclusively that the movements of heavenly bodies were related to terrestrial physics.

Answer 2

Answer:

NEWTON'S LAWS OF MOTION – OBSERVATIONS OF GALILEO

It was Galileo, who demonstrated the realtionship between motion and force. He used two inclined smooth planes on which he rolled a ball to study the cause of motion.

1. The velocity of the body increases when it rolls down an inclined plane and it decreases, when the body rolls up the plane.

2. If the ball rolls between two planes, inclined equally, it will attain the same height on both the sides.

3. If the inclination of the second plane is gradually decreased, the ball rolls over a larger distance in order to reach the same height.

4. When the second plane is horizontal, the ball continues to move indefinitely. But in practice the ball comes to rest due to friction.

5. When the surface of the second plane is rough, the ball would cover less distance.

Based on the above facts, Galileo concluded that –

'The nature state of a body is not the state of rest . It is the tendency of the body to oppose change in its state of motion or rest .'

Newton formulated laws of motion, based on Galileo's experiment.