Which is an example of natural erosion? ice forming in cracks of rocks acid rain falling on sidewalks waves washing over rocks on the beach water washing away soil in an area with off-road vehicles

when a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

Is it excepting the center of mass the other part of the object does not have weight?

if you went towards the gas giant of our solar system would you just go straight through it or hit a hard surface

A man pulls a 50 kilogram box 20 meters across the floor with the aid of a rope tied to the box. The rope makes an angle of 30 degrees with the horizontal. In pulling the box the man exerts a force of 100 newtons. How much work is done by the man?

5.170kg+4.20kg calculate this for me with the correct number of significant figures

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? 1 - positive 2 - negative 3 - zore

Which object has the most gravitational potential energy? A. an 8 kg book at a height of 3m B. an 5 kg book at a height of 3 m C. A 5 kg book at a height of 2 m D. a book at a height of 2 m

A moving object has a kinetic energy of 150 j and a momentum with a magnitude of 30.0 kg•m/s. determine the mass and speed of the object

How does changing depth affect water pressure

The mass of a rigid rod is 0.60 kg and its length is 39.0 cm. Calculate the moment of inertia (in kg · m2) for the rod if it is pivoted about an axis through the center of mass of the rod. (Assume the axis is perpendicular to the rod.