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Posted by **Kristin** on Sunday, November 27, 2011 at 12:33am.

a. the force on the larger car is equal to that on the smaller car.

b. the force on the larger car is 1/2 that on the smaller car.

c. the force on the larger car is twice that on the smaller car.

d. the force on the larger car is more than three times that on the smaller car.

- Physics help please -
**drwls**, Sunday, November 27, 2011 at 12:37amUsing the equation F = m a, you should be able to figure this out.

If the accleration "a" is the same for both cars, what happens to F when m doubles?

- Physics help please -
**Kristin**, Sunday, November 27, 2011 at 12:39amgets larger?

- Physics help please -
**drwls**, Sunday, November 27, 2011 at 8:32amYes, the force must double

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