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physics

A truck is pulling a car.
FT is the magnitude of the force that the truck exerts on the car
FC is the magnitude of the force that the car exerts on the truck

Consider the following scenarios independently.

1)The truck is driving with a constant velocity, but as it turns out, the driver of the car left the emergency brake on.
A)FT > FC
B)FT < FC
C)FT = FC > 0
D)FT = FC = 0

2)The truck is speeding up on a horizontal surface.
A)FT > FC
B)FT < FC
C)FT = FC > 0
D)FT = FC = 0

3)The truck is speeding up while driving up a mountain, neglecting friction.
A)FT > FC
B)FT < FC
C)FT = FC > 0
D)FT = FC = 0

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  1. 1.a
    2.b

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  2. c
    c
    c

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  3. Every answer is "C"

    Newton's law - for every force there is an equal but opposite reaction force

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