Seat belts in a car. The seatbelt applies an equal force to the person as the person applies to the seatbelt but in opposite direction, this is ____. When a vehicle comes to a stop the seatbelts keep the person from continuing to move forward with the same speed and direction because the seatbelt applies an unbalanced force that changes the motion of the person.(____). The acceleration of the person can be calculated by dividing the force the seatbelt applies to the person by the mass of the person.(____ ) Sports activities - soccer. A soccer ball will remain at rest on the field until a player applies an unbalanced force by a kick to the ball causing it to accelerate or change its motion.(____) When a player kicks the ball they will experience a force applied toward their foot by the ball; the ball will experience an equal force towards it as applied by the foot. (____) The ball will accelerate down the field as determined by the force of the kick divided by the mass according to ____. Earth’s tectonic activities - earthquake at a fault line. The friction between 2 tectonic plates at a fault provides a balanced force between the two plates so they are able to remain at rest this is an example of ____. Once the force between the two plates becomes so large that it overcomes the friction between the two plates, the plates slip suddenly past each other causing an earthquake. Each plate will accelerate at a rate that is determined by the force applied to that plate and mass of that plate according to ____. The amount of force applied to one plate is equal and opposite to the force applied by the other plate. (____)

8th gr Scenarios for Newton's Laws of Motion

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