Potential Energy = (mass) x (gravity) x (height).
But (mass) x (gravity) is 'weight', so
Potential Energy = (weight) x (height) .
The question says that the object is 25 N .
The ' N ' stands for ' Newton ' and that's a unit of force,
so we know that this is the weight of the object.
Potential Energy = (25 N) x (3 meters)
= 75 Newton-meters
= 75 Joules .
You are given the mass of the book with an initial
height of 0.77m. You are also given the final height of the book, 2m above the
floor. The problem requires you to find the work done on the book. It is said
that work is equal to force times distance. And that force is equal to mass
times acceleration due to gravity.
W=Fd
W=mgd=mgh
W=(1.7kg)(9.8m/s^2)(2m-0.77m)
W=20.49J
<span>The work is equal to 20.49J.</span>
Answer:
All the compounds are covalent compounds . This means that they are formed by the sharing of pair of electrons.
Answer:
A large force will produce more acceleration than a small force acting on the same object.