Dynamics 13-86| Determine the magnitude of the resultant force acting on a 5-kg particle at the...

Question: Determine the magnitude of the resultant force acting on a 5-kg particle at the instant t = 2 s, if the particle is moving along a horizontal path defined by the equations r = (2t + 10) m and θ = (1.5t² - 6t) rad, where t is in seconds.

Problem 13-86 from:

Engineering Mechanics: Dynamics, 14th edition
Russell C. Hibbeler

Thank you guys for watching.

Please let me know if you have any comments or suggestions and also if you have any other problem you would like to go over with.