Answer: If the forces on an object are balanced, the net force is zero. If the forces are unbalanced forces, the effects don't cancel each other. Any time the forces acting on an object are unbalanced, the net force is not zero, and the motion of the object changes.
<span>D. Convection occurs when heated particles of a material flow toward areas having less thermal energy. This movement of particles can only occur in gases and liquids, not solids.</span>
Answer:
wrong question
Explanation:
unit of acceleration is written in m/s which is wrong
Answer:
This situation is possible.
Explanation:
It is said in the problem that one morning two trains are speeding up from opposite directions onto the bridge. It may seem from this statement that the trains are arriving at the same time. But this should be a wrong assumption.
Because it is only said in the problem that the trains are passing the bridge on same morning. No explicit timing is given.
So it may so happen that both the trains pass the narrow bridge on the same morning but at two difeerent times, making no collision with each other.
Answer:
Sorry for waisting ur time just tryna get points :)
Explanation: