Question
Asked Oct 9, 2019
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Two people pull as hard as they can on horizontal ropes attached to a boat that has a mass of 200 kg. If they pull in the same direction, the boat has an acceleration of 1.52 m/s2 to the right. If they pull in opposite directions, the boat has an acceleration of 0.516 m/s2 to the left. What is the magnitude of the force each person exerts on the boat? Disregard any other horizontal forces on the boat.

Smaller force: ?

Larger force: ?

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Expert Answer

Step 1

The mass of the boat,

The acceleration act when they pull in the same direction to the right side,

The acceleration act when they pull in the opposite direction to the left side,

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m 200 kg a 1.52 m/s a 0.516 m/s

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Step 2

The force act when they pull in the same direction to the right side,

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F nN... nN (200 kg) (1.52m/s2)

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Step 3

The force act when they pull in the oppo...

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F n-N... .(2) n- N (200 kg) (0.516 m/s2)

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Physics

Kinematics

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