Answer: A
Explanation:
The air resistance as frictional force will always exist whenever there is motion. And cease to exist whenever there is no motion.
Among all the options, a lamp fixed with a rod from the ceiling experiences no movement. Therefore, this frictional force is ABSENT in that situation.
Answer:
option b.
the energy an object has due to its motion.
Yea, im pretty sure they mean the same.
A scalar<span> is a quantity that is completely specified by its magnitude and has no direction. A scalar can be described either dimensionless, or in terms of some physical quantity.
the answer for this case is
</span><span> average speed
</span><span>time interval</span>
