Define the law of moments. It is applicable to a,certain condition of the acting forces. Name the condition
Answers
Answer:
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Explanation:
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Answer:
Explanation:
For an object to be in equilibrium, it must be experiencing no acceleration. This means that both the net force and the net torque on the object must be zero. Here we will discuss the first condition, that of zero net force.
In the form of an equation, this first condition is:
F
net
=
0
.
In order to achieve this conditon, the forces acting along each axis of motion must sum to zero. For example, the net external forces along the typical x– and y-axes are zero. This is written as
net
F
x
=
0
and
net
F
y
=
0
.
The condition
F
net
=
0
must be true for both static equilibrium, where the object’s velocity is zero, and dynamic equilibrium, where the object is moving at a constant velocity.
Below, the motionless person is in static equilibrium.