It was first used around 1904, but not until 1948 was it officially adopted by the General Conference on Weights and Measures CGPM as the name for the mks unit of force.
Q1. There are cars with masses 4 kg and 10 kg respectively that are at rest. A car having the mass 10 kg moves towards the east with a velocity of 5 m.s-1. Find the velocity of the car with mass 4 kg with respect to ground. Ans: Given, m 1 = 4 kg. m 2 = 10 kg. v 1 = ? v 2 = 5 m.s-1. We know from the law of conservation of momentum that,
The formula for the gravitational force includes the gravitational constant, which has a value . The unit of the gravitational force is Newtons (N). F g = gravitational force between two objects G = gravitational constant m 1 = mass of the first object (kg) m 2 = mass of the second object (kg) r = distance between objects (m)
m equals 100 kg, and g equals 9.8 m/s 2, because we're looking for the weight of the object on the surface of the earth. We set up our equation next: F = 100 kg x 9.8 m/s 2. This gives us the final answer. On the surface of the earth, an object with a mass of 100 kg will weigh approximately 980 Newtons. F = 980 N.
Where, G is universal gravitational constant, m 1 and m 2 are mass of bodies r is the radius between the two masses. Solved Examples. Example 1: Calculate the gravitational force if the mass of the sun is 1.99 ร 10 30 kg and earth is 5.97 ร 10 24 kg separated by the distance 1.5 ร 10 11 m?(Gravitational constant G = 6.673 ร 10-11 Nm 2 /Kg 2)
We represent acceleration due to gravity by the symbol g. Its standard value on the surface of the earth at sea level is 9.8 msยฒ. Its computation formula is based on Newtonโs Second Law of Motion and Newtonโs Law of Universal Gravitation. Acceleration Due to Gravity Formula
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