you need to be clear. Laws of gravitation Kepler's laws? OR, Newtons' laws related to momentum/inertia/force ?

ohhhhohh srry itts 3 laws of motion

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ohhhhohh srry itts 3 laws of motion

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If there is no net external force (push or pull in any direction), then every thing stays as it is. It continues to stay at rest, if it is at rest. It continues to move with the same speed if it is moving.

An object continues to be in the state of inertia of rest or uniform motion in one direction if no net resultant external force is acting on it.

If I put a book on a table. the net force acting on it is 0. so it stays there at rest, as it is. A skating person on ice, moves forward with same speed. Of course he/she does not push against the ice, or shift the position or posture.

The rate of change of momentum is equal to the net , unbalanced or resultant force acting on a body. OR, the force acting on a body is equal to the product of its mass and acceleration.

If a body1 exerts a force F1 on another body2, then the body to exerts a force - F2 on body1 in the opposite direction.

If two magnets are kept near each other with the north poles facing, magnet1 exerts a force F1 on magnet2 and magnet 2 exerts a force = -F1 on magnet1. Magnet 1 moves backwards and magnet2 also move backwards. If you hold one in each hand, then you can experience that.

Two wrestlers exert force F on each other through the hands. Each wrestler is pushed backwards with force - F. But they remain stationary for some time. How? A wrestler pushes the ground with force -F. The floor pushes him forward with force F. The forces on the wrestler balance and he remains stationary.