Question

write the galileo observations in fig (b) now he reduced the angle of upward slope and marble released​

Answer 1

Answer:"when no unbalanced force is exerted on a body, it stays at rest or moves in a straight line with constant speed,i.e.it will remain unaccelerated.'

Explanation:When the inclination of one of the planes was decreased, the marble rolled down from the more inclined plane attained the same height on each other plane but covered a longer distance on the less inclined plane.