Answer:
net force
Explanation:
net force is the total amount of force exerted on an object.
By just smiling. It normally makes you look more happy.And if your happy that's positive body languge
Explanation:
I want to say option B - Both forces can act without objects touching.
The incorrect statement about electromagnetic waves is C. induction of electric fields by changing magnetic fields only occurs if a conducting material is present.
Electromagnetic waves do not rely on any medium for propagation, which means that the generation of fields is irrespective of the presence of a conducting material.