Our body tends to continue in the same state of motion when brakes are applied due to inertia, as described by Newton’s first law of motion, which states that an object in motion tends to stay in motion unless acted upon by an external force.
Why does our body tend to continue in the same state of motion when the brakes are applied?
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When brakes are applied, a car undergoes deceleration. According to Newton’s first law of motion, an object at rest tends to stay at rest, and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an external force. In this case, the body inside the car, including its internal organs, is initially moving at the car’s speed. When the brakes are applied, the body resists a sudden change in motion, causing it to move forward relative to the decelerating car. This phenomenon is a manifestation of the body’s inertia.