Physics · System of Particles and Rotational Motion
If the total net external force acting on a system of N point particles is zero, which of the following statements is definitely true?
- 1The linear momentum of the system is conserved✓
- 2The total torque acting on the system is zero
- 3All individual particles within the system must be at rest or in uniform motion
- 4The total angular momentum of the system will remain constant
Correct answer
The linear momentum of the system is conserved
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