Question

Determine the net force when three forces such as 80N, 100N and 30N are acting on an object simultaneously and the 30N force is opposite to the other two forces.

Answer 1

Answer:

I don't know if you know too answer do

Answer 2

The net force acting on an object is 150 N.

Given: The magnitude of forces acting in the same direction is 80 N and 100 N and the magnitude of forces acting in opposite direction is 30 N.

To Find: The net force acting on an object.

Solution:

• We know that the resultant is added when the constituent forces act in the same direction.
• We also know that the resultant is subtracted when the constituent forces act in the opposite direction.

Coming to the numerical, we are given that,

The magnitude of forces acting in the same direction is = 80 N + 100 N

                                                                                          = 180 N

The magnitude of forces acting in opposite direction is = 30 N.

The resultant force is the difference (from bullet point 2)= 180 N - 30 N

                                                                                                  = 150 N

Hence, the net force acting on an object is 150 N.

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