Related Questions

By how many times are the Electrostatic forces stronger than the Gravitational Forces for a fixed distance?
A 102
B 1036
C 1012
D 2
If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
A 30°
B 60°
C 90°
D 120°
The areas where soil is washed away into streams, transported into rivers and finally lost to the sea are called
A Ecologically sensitive areas
B Grasslands
C Delta
D Biologically sensitive areas
Which of the following is correct about the properties of Gravitational Forces?
A They are the strongest forces in nature
B They observe inverse square law
C Both a and b
D None
Which of the following is caused by the combine deffects of the gravitational forces exerted by the Moon and the Sun on sea levels?
A Currents
B Runoff
C Tides
D Waves
Tides are caused by the gravitational forces of
A Of Earth on Moon
B Of Earth on Sun
C Of Sun and Moon on Earth
D Of Moon on Earth
পৃথিবী পৃষ্ঠে একটি ইটের ওজন 81 N. পৃথিবীর অর্ধেক বাসার্ধের সমান উচ্চতায় এবং অর্ধেক বাসার্ধের সমান গভীরতায় ইউটির উপরে পৃথিবীর অভিকর্ষ বলের মান কত হবে?(A brick weighs 81 N on the surface of the earth. What are the earth's gravitational forces act on it at a height of half of the radius of the earth and at a depth of half of the radius of earth, respectively?)
A 36 N and 81 N
B 36 N and 40.5 N
C 36 N and 20.25 N
D 98 and 40.5 N
E 81 N and 81 N
Non-coplanar concurrent forces are those forces which
A Meet at one point, but their lines of action do not lie on the same plane
B Do not meet at one point and their lines of action do not lie on the same plane
C Meet at one point and their lines of action also lie on the same plane
D Do not meet at one point, but their lines of action lie on the same plane
Coplanar concurrent forces are those forces which
A Meet at one point, but their lines of action do not lie on the same plane
B Do not meet at one point and their lines of action do not lie on the same plane
C Meet at one point and their lines of action also lie on the same plane
D Do not meet at one point, but their lines of action lie on the same plane
Non-coplanar non-concurrent forces are those forces which
A Meet at one point, but their lines of action do not lie on the same plane
B Do not meet at one point and their lines of action do not lie on the same plane
C Do not meet at one point but their lines of action lie on the same plane
D None of the above

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