14. Again two forces are applied to the cart with two different spring scales as

Question

14. Again two forces are applied to the cart with two different spring scales as shown below. The spring scale FA still reads 10.5 N. FB The cart moves with a constant velocity toward the right. What does spring scale Fiu read? Show your calculations and explain. 15. Again two forces are applied to the cart with two different spring scales as shown below. The spring scale FA still reads 10.5 N FA The cart moves toward the left with an acceleration toward the left of 2.50 m/s. What does spring scale Fu read? Show your calculations and ex- plain.

Explanation / Answer

14) Fa + Fb = 0

10.5 + Fb = 0

Fb = -10.5 N

So tension in spring B will also be 10.5 N

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