a transport truck pulls on a trailer with a force of 600 N {E}. the trailer pulls on the transport truck with a force:
a) zero
b) of less than 600 N[W] if the truck is slowing down.
c) equal to 600 N [W] only if the truck is moving at constant velocity
d) equal to 600 N [W] no matter what the acceleration of the truck
e) of greater that 600 N [W] if the truck is accelerating
The answer i got is d) but i'm not sure if it is right.
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love u allison
To determine the correct answer, let's analyze the situation in more detail.
In this scenario, the transport truck is pulling on the trailer with a force of 600 N to the east. According to Newton's third law of motion, for every action, there is an equal and opposite reaction. This means that the trailer will exert a force on the transport truck in the opposite direction.
Now, let's consider the different options:
a) Zero: This option is not correct because the trailer will exert a force on the transport truck due to Newton's third law.
b) Less than 600 N[W] if the truck is slowing down: When the truck is slowing down, there is a force opposite to the truck's motion, which is the force of friction or a brake. However, this force is unrelated to the force exerted by the trailer.
c) Equal to 600 N[W] only if the truck is moving at constant velocity: If the truck is moving at constant velocity, it means that the net force acting on the truck is zero. Since the trailer exerts a force of 600 N[W] on the truck, and the truck is moving at constant velocity, the opposing force is indeed 600 N[W]. Thus, option c) is correct.
d) Equal to 600 N[W] no matter what the acceleration of the truck: This option is incorrect because the force exerted by the trailer on the truck depends on the truck's motion. If the truck is accelerating or decelerating, the net force acting on the truck will not be zero and the force exerted by the trailer will differ.
e) Greater than 600 N[W] if the truck is accelerating: When the truck is accelerating, there is a net force acting on it in the direction of acceleration. The force exerted by the trailer will be added to this net force. Therefore, the force exerted by the trailer on the truck will be greater than 600 N[W]. Thus, option e) is incorrect.
In conclusion, the correct answer is c) equal to 600 N [W] only if the truck is moving at constant velocity.