Part B. Directions: Determine whether the scenarios can be explained by either the first or second law of
motion. Color the text box GREEN if the first law best exemplifies the scenario, and use YELLOW if the
second law can explain this instead.
A car passenger is
thrown forward when
the car suddenly stops
The sepak takraw ball’s
movement depends upon
the players hitting it
The stationary car may
accelerate with respect to
the force and mass of the
two men pushing it
motion. Color the text box GREEN if the first law best exemplifies the scenario, and use YELLOW if the
second law can explain this instead.
A car passenger is
thrown forward when
the car suddenly stops
The sepak takraw ball’s
movement depends upon
the players hitting it
The stationary car may
accelerate with respect to
the force and mass of the
two men pushing it
Answers & Comments
Verified answer
Answer:
A car passenger is thrown forward when the car suddenly stops - Newton's first law of motion
The sepak takraw ball’s movement depends upon the players hitting it - Newton's second law of motion
The stationary car may accelerate with respect to the force and mass of the
two men pushing it - Newton's second law of motion
Explanation:
Newton's First Law of Motion
Newton's first law of motion is known as the Law of Inertia. According to this law, an object at rest will remain at rest or an object in motion will remain in motion not unless an outside net force acts on the object. Inertia is the object's resistance to change its position or change in motion. This resistance or inertia is affected by the object's mass. Just like in the first scenario, where the car passenger is thrown forward when the car suddenly stops. It means that that as the car moves the passenger is also moving. As the car stops suddenly, the passenger continues to be in motion that is why the passenger is thrown forward.
Newton's Second Law of Motion
Newton's second law of motion is also known as the Law of Acceleration. This law states that the acceleration of the object is directly proportional to the net force and inversely proportional to the mass of the object. That means that if we will compare the acceleration of two objects of the same mass but were exerted with different amounts of force. the object that was given greater force will have greater acceleration. Also, when we compare two objects of different masses but exerted with the same amount of force, it is the object with less mass that will move at a greater acceleration. Doubling the force will double the acceleration of the object but doubling the mass will reduce acceleration by half.
This law can be represented with a formula, F=ma. In the second scenario where the sepak takraw ball's movement depends upon the player hitting it shows that the movement of the ball depends on the amount of force, the player will exert. Also, the third scenario is telling us that a stationary car will accelerate depending on the force and mass of the men pushing it.
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