SUBJECT : GENERAL PHYSICS I. NEWTON’S LAW OF UNIVERSAL GRAVITATION 4. What will happen to the gravitational force between two objects if we reduce the mass of one object by a quarter of its original mass and triple the mass of the other one then the distance between them is maintained? A. Gravitational force will decrease by a factor of 9/4. B. Gravitational force will decrease by a factor of 3/4. C. Gravitational force will increase by a factor of 9/4. D. Gravitational force will increase by a factor of 3/4.
SUBJECT : GENERAL PHYSICS I. NEWTON’S LAW OF UNIVERSAL GRAVITATION 4. What will happen to the gravitational force between two objects if we reduce the mass of one object by a quarter of its original mass and triple the mass of the other one then the distance between them is maintained? A. Gravitational force will decrease by a factor of 9/4. B. Gravitational force will decrease by a factor of 3/4. C. Gravitational force will increase by a factor of 9/4. D. Gravitational force will increase by a factor of 3/4.
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SUBJECT : GENERAL PHYSICS
I. NEWTON’S LAW OF UNIVERSAL GRAVITATION
4. What will happen to the gravitational force between two objects if we reduce the mass of one object by a quarter of its original mass and triple the mass of the other one then the distance between them is maintained?
A. Gravitational force will decrease by a factor of 9/4.
B. Gravitational force will decrease by a factor of 3/4.
C. Gravitational force will increase by a factor of 9/4.
D. Gravitational force will increase by a factor of 3/4.
5. A father, whose mass is 82.5 kg, is watching her daughter sleep. He exerts 6.45 x 10-8 N of gravitational force to her 25kg daughter. How far is her father from her?
A. 146 meters
B. 1.46 centimeters
C. 14.6 meters
D. 146 centimeters
II. SATELLITE MOTION
6. A satellite is moving in a circular orbit at a height of 2700 km above the surface of the Earth? What is the period of this satellite in hours? Mass of Earth = 5.972 X 1024 kg. Radius of Earth = 6.38 x 103 km
A. 22.3 hours
B. 23.9 hours
C. 2.23 hours
D. 2.39 hours
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