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1. Two blocks on a frictionless horizontal surface are connected by a light string. The acceleration of gravity is 9.8 m/s².

1777_Find the acceleration of the system.png

Find the acceleration of the system.

2. What is the tension in the string between the blocks?

3. If the surface were frictional, and the coefficient of kinetic friction between each block and the surface is 0.111, what would be the
new acceleration?

4. What would be the new tension in the string between the blocks?

5. Consider a 586 N cat burglar supported by a cable as in the figure.

1101_Find the acceleration of the system1.png

Find the tension in the inclined cable.

6. Find the tension in the horizontal cable.

7. The block of mass 1.97743 kg has an acceleration of 3.3 m/s²as shown.

205_Find the acceleration of the system2.png

8. What is the magnitude of F? Assume the acceleration due to gravity is 9.8 m/s²and the surface is frictionless.

9. Two blocks are connected by a thin inextensible string over a frictionless massless pulley as shown on the picture below

23_Find the acceleration of the system3.png

The acceleration of gravity is 9.8 m/s²

Given that the two blocks move at 4.6 m/s under an acceleration of 4.5 m/s², calculate the coefficient µk of kinetic friction between the left block and the incline.

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