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2. | Calculate the force of attraction between two balls each of mass 1kg when their centres are 10cm apart. The value of gravitational constant G = 6.67×10-11 Nm2 kg(-2). | |
A. | 6.67×10-11N | |
B. | 6.67×10-10N | |
C. | 6.67N | |
D. | 6.67×1010 N | |
Answer: Option B | |
Explanation: | |
Force of attraction, |
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