The SI unit of power is the watt. (04 05Gco:) (06 mag!)
The force. applied to an elastic body .is called stresS. (04 (06 05000')
The power is the product of force to velocity.
(03 04 05Gcv:i• 05 05Geo:)
The ratio of the' stress to the strain is constant. (05 9+8)
Work is a vector quantity. (03
Elastic limits of different bodiés are the same. (03 ojcco:)
The potential energy can be:transformed into electrical energy (02 486(+:)
The total energy of the.mniverse is constant. (00 95GCOO(01 €4)
TRUE (or) FALSE Types
The- universe is the smallest physical system. (01 06cå8:1 ch0J8)
The total energy in the universe is varying. (01 96:) 0$ l l . The universe is the largest physical system. (00
Water in a dam has potential energy. (00 eco-a:)
Fast moving water has potential energy. (00 96:)
Energy can be changed from one form to another form. (99#0?})
If the velocity of abody is doubled, its kinetic energy will become four times of
When a body is at rest on table , it hay no kinetic ,energy. (99 eon:)
Speed in mechanics is measured in megahertz. (99
For an isolated system the sum of différent forms of energy must be constant.
