Is work a scalar or a vector quantity?

Work is dot product of two vectors. i.e. F with rightwards arrow on top times S with rightwards arrow on top.

And dot product is a scalar quantity. Therefore, work is a scalar quantity. 
1450 Views

What type of energy is stored in a stretched bow?

Potential energy.
515 Views

Define the unit joule.

Work done is said to be one joule if one newton of  force displaces the body through a distance of one meter in the direction of applied  force .
799 Views

Two bodies approaching towards each other collide and stick together. What type of collision it is?

Perfectly inelastic collision.
191 Views

Advertisement

What are different units of energy?


The different units of energy are :

(i) Joule            
(ii) Erg
(iii) eV            
(iv) KWh
(v) Calorie.

804 Views

Advertisement
Advertisement