What effort force must be applied to lift an 864 N load with a fixed pulley? A.432 N
B.864 N
C.1728N
D.3456N

Find the mass by adding the numbers from the three sliders

Atoms seldom exist as independent particles in nature a) as single particles, most atoms have low potential energy b) their electronegativity is much lower when they combine with other atoms c) atoms are more stable when they combine with other atoms d) neutral particles are rare

Why do some scientists and archeologists think that volta was not the first person to build a battery