Chapter 5- Numerical (5.1 to 5.5) Solution in Urdu | Gravitation | Physics class 9 | Basic Physics
In today lecture, we are going to solve the numerical problems of chapter 5 (Gravitation) of 9th class physics. This is the1st part of chapter -5 numerical in which we will solve 1st five numerical such as from 5.1 to 5.5 from the exercise. We provide most easy and authentic method to solve these problems. Hope you like it.
Chapter 4 Numericals: (4.1 to 4.5):
Chapter 4 Numericals: (4.6 to 4.10):
Chapter 3 Numericals: (3.1 to 3.5):
Chapter 3 Numericals: (3.6 to 3.10):
Chapter 2 Numericals (2.1 to 2.5):
Chapter 2 Numericals (2.6 to 2.10):
Chapter 1 Numericals: (1.1 to 1.5) :
Chapter 1 Numericals: (1.6 to 1.10) :
Numerical statements solve in this video:
5.1: Find the gravitational force of attraction between two spheres each of mass 1000 kg. The distance between the centres of the spheres is 0.5 m.
5.2: The gravitational force between two identical lead spheres kept at 1 m apart is 0.006673 N. Find their masses.
5.3: Find the acceleration due to gravity on the surface of the Mars. The mass of Mars is 6.42x1023 kg and its radius is 3370 km.
5.4: The acceleration due to gravity on the surface of moon is 1.62 ms2. The radius of moon is 1740 km. Find the mass of moon.
5.5: Calculate the value of g at a height of 3600 km above the surface of the Earth.
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