I need these questions correct answer
Answers
Explanation:
1. Gravitational force
2.Centripetal force
3.Gravity is a force that tries to pull objects towards each other.
4.Relationship between mass and weight mass and weight are closely related because mass affects the weight of an object experiencing effects of gravity.
5.Mass of a body is the amount of matter contained in it.If the boy goes on the surface of the moon it's mass remain the same.It will not change a little bit.
6.As we know g=GM/R SQUARE
HENCE g=1/R square
Now the earth is not perfectly spehrical .It is falttened at the poles and elongated on the equatorial region is approximately 21 km more than that on the pole.Hence g is maximum at the poles and minimum at the equators.
7.We feel uneasy because the ferris wheel spins the seat can freely rotate at the support where they are connected to the wheels. The ferris wheel spin upward with the help of motors and gears while gravity pulls the wheel back down again.
8.Every object of mass in the universe attracts every other objectobjects of mass with a force which is directly proportional to the product of their masses and inversely proportional to the square of the separation between their centers.
9.For a freely falling body the gravitational force which is a result of attraction to the earth and is based on gravitational mass is the same force causing the acceleration of the falling body. The equation g=a doesn't contain a mass so mass has no effect.
10.g stands for the acceleration due to gravity at
a center point whereas G stands for NEWTON'S universal gravitational constant.
11.The acceleration due to gravity is1.62m/s2.
This is approximately1/6that of the acceleration due to gravity on earth ,9.81m/s2.Lunar Gravity Field.
12.A force acting on a moving body at an angle to the direction of motion tending to make the body follow a circular and curved path. For example, the force of gravity acting on satellite in orbit.
13.The body of mass 1 kg would get attracted to the earth is
mg=1*10
=10N force
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