Question: What is the condition for an object to be in rotational equilibrium?
Options:
Net force is zero
Net torque is zero
Both net force and net torque are zero
None of the above
Correct Answer: Net torque is zero
Solution:
For rotational equilibrium, the net torque acting on the object must be zero.
What is the condition for an object to be in rotational equilibrium?
Practice Questions
Q1
What is the condition for an object to be in rotational equilibrium?
Net force is zero
Net torque is zero
Both net force and net torque are zero
None of the above
Questions & Step-by-Step Solutions
What is the condition for an object to be in rotational equilibrium?
Step 1: Understand what rotational equilibrium means. It means that an object is not rotating or is rotating at a constant speed.
Step 2: Know that torque is a force that causes an object to rotate around an axis.
Step 3: Realize that for an object to be in rotational equilibrium, all the torques acting on it must balance each other out.
Step 4: This means that the total (net) torque acting on the object must be zero.
Rotational Equilibrium – An object is in rotational equilibrium when the sum of all torques acting on it is zero, meaning there is no net rotational motion.
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