Refer to the first diagram. what is the weight of the person hanging on the end of the seesaw in newtons?

refer to the second diagram. how far is the 400 n person from the fulcrum in meters?

refer to the third diagram. what is the weight of the seesaw board in newtons?

1) 250 N

2) 3 m

3) 200 N

Explanation:

You need to balance the torque created in either sides of the fulcrum to get the required answers.

L.H.S torque = R.H.S torque

Torque = Force × perpendicular distance to axis of rotation

1) 4× = 2×500

  answer = 250 N

2) 4×300 = ×400

  answer = 3 m

3) 1×600 = 3×

  answer = 200 N

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