The sum of the three forces acting on the center point of the rope is assumed to be zero because:

a. This point has a very small mass.
b. Tension forces in a rope always cancel.
c. This point is not accelerating.
d. The angle of deflection is very small.

What is the momentum of a 2 kg object moving at 15 meters per second

When an object is heated it contracts. a. true b. false

** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils