MCQ Solution: Motion of System of Particles and Rigid Body
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·(2pr)
3. T·v
4. T· pr2
Latest Post
Chemical Bonding and Molecular StructureStructural Organisation in Animals
Plant Growth and Development
D and F Block Elements
Straight Lines and Pair of Straight Lines