Back to the full dot-point answer
SingaporePhysicsQuick questions
Forces and Dynamics
Quick questions on Friction and the turning effect of forces: N(A)-Level Physics dynamics
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is friction?Show answer
Friction is a force that opposes motion between two surfaces that are touching. It always acts in the direction that opposes the movement, or the tendency to move.
What is the turning effect of a force?Show answer
A force can make an object turn about a fixed point called a pivot. The turning effect is called the moment of the force:
Have a question we have not covered?
This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.