Recent content by FizicsAM

Can you elaborate please?

Hello! When moving an object, how do you describe the changes when you push from a narrow base vs a wide base? For example, say you push something heavy with your palm vs your index finger. It feels easier to push from a palm rather than a finger even if the force from my arm is the same but...

Another question, what is the resistance arm in this scenario? I thought it would the lever formed from the hand to the end of the barbell...🤔

How do you isolate the width effect and height effect? Yes, assume the feet are on the ground as in the photos. My question is why is the higher with more difficult to balance?

Thank you that's very clear about the rotation aspect. In terms of height, the barbell is higher with a narrow grip than a wide grip because the arms are more vertical with a narrow grip. Would this height difference affect stability in the forward-backward direction? Or would it reduce the...

Thanks for your explanation. So in this case, your shoulder is the door hinge and the weight's rotation is like the rotational for to open or close a door, correct? So in terms of levers: 1) What is the distance between you left and right hands called? 2) Is the distance between your right...

Hello, apologies if this is the wrong forum to post this. I have a question related to fitness. When holding a barbell overhead, sometimes it can spin due to poor timing, flexibility, etc. However, I notice it is significantly harder to counter the barbell's spin when holding it with a narrow...