Question

become brainliest but give right answer​

Answer 1

Answer:

1ans. Q is acting in downward direction therefore it is surely gravitational force on the block. R is acting as if it is opposing the motion of block therefore, it must be friction force.

2ans. The submarine will continue to either remain stationary or move at a constant speed. If the submarine is moving, it is impossible to tell which direction it is moving from the forces alone, only that it will continue in the same direction at the same speed.

Explanation:

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