The deployment of a robot bomb in Dallas on July 7 was the first time American police officers have used a robot to kill someone.
Former Baltimore mayoral candidate was among demonstrators arrested during Alton Sterling-inspired protest.
The university president called the display "deeply disturbing and hurtful," and students say they plan to meet with school officials.
Critics said students were overreacting in protesting messages on campus supporting the Republican presidential front-runner.
Protesters blocked intersections and shut down traffic in multiple areas of Manhattan.