Sir make videos on Rc hibbler 10 edition only Examples and Fundamentals . we will be very thankful to u . Make in next 1 week. Because my mid are comimg
Thank you for messaging me unfortunately I have temperature and body pain and I don't know when it will be alright..therefore I suggest you to not wait for me.
Visualise the direction of the forces on the body and give it the direction. if you are not comfortable with that you can choose any direction whether upward or downward. if your answer comes out to be negative it means that your assume direction was wrong and it should be opposite to what you have taken....