MCQ Solution:
A ball is whirled around in a horizontal circle at constant speed v by a string of length r. How much work is done by the
string tension
T during one complete revolution?1. Zero
2. T·(2
pr)3. T·
v4. T· p
r2
Latest Post
Ray Optics And Optical InstrumentsBody Fluids and Circulation
Chemical Bonding and Molecular Structure
Biological Classification
Laws of Motion