2019:
The answer is (B).
When the force is F, the speed of the block is v. If the force is further increased to 2F, the speed of the block will be √2v.
2018:
The answer is (D).
The work done by the centripetal force is zero because the centripetal force is perpendicular to the displacement of the particle.
Welcome to SATHEE !
Select from 'Menu' to explore our services, or ask SATHEE to get started. Let's embark on this journey of growth together! 🌐📚🚀🎓
I'm relatively new and can sometimes make mistakes.
If you notice any error, such as an incorrect solution, please use the thumbs down icon to aid my learning.
To begin your journey now, click on "I understand".
