The gravitational field strength on the moon is 1.63 N/kg. If a rock on the moon weighs 2000N, how much does the same rock weigh on the earth?

Explain using examples, what is simple harmonic motion and why it is an important area of study in physics.

Aballet student who learns with the of his instructor is demonstrating learning.

Which describes an object in projectile motion? check all that apply. a.gravity acts to pull the object downb. the object moves in a straight path. c.the forward velocity of the object is 0 m/s. d.the object’s inertia carries it forward. e.the path of the object is curved.