If mechanical energy is conserved in a system the energy at any point in time can be in the form of
1 answer:
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Answer:
The right solution is "24.39 per sec".
Explanation:
According to the question,
⇒
The time will be:
⇒
hence,
⇒
Answer:
16.935 N
Explanation:
In order to make the box start moving, the level force applied on the box (F) must be greater than the force of static friction that keeps the box at rest, which is equal to
where
is the coefficient of static friction
(mg) = 30 N is the weight of the box
Therefore, the condition for F must be:
So, the applied force must be greater than this value.