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Sagot :
Answer:
(1) Every object moves in a straight line unless acted upon by a force.
(2) The acceleration of an object is directly proportional to the net force exerted and inversely proportional to the object's mass.
(3) For every action, there is an equal and opposite reaction.
Explanation:
Newton's second law says that when a constant force acts on a massive body, it causes it to accelerate, i.e., to change its velocity, at a constant rate. In the simplest case, a force applied to an object at rest causes it to accelerate in the direction of the force.
#LetsStudy
Newton's second law of motion states that force is equal to the product of mass and acceleration. Therefore, F = ma.
1. When a player kicks the ball, the mass from their foot accelerates towards the ball and this generates a force. Hence, the player applies force to the ball. If the net force of the kick is not zero then the ball will be set in motion.
2. More force is required to move a loaded cart because it has more mass in comparison to an empty one. Manipulating the equation, it can be inferred that force has a direct relation to mass--meaning that the more mass an object has, the greater the force will be needed to accelerate it or change its state of motion.
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