A 2kg block is on frictionless incline theta is 20° and acts on by aforce 11N and angle alpha is 35° to the incline A)find the acceleration of the block B) find the force exerted by the incline on the block? #please I need

List one type of erosion and describe how it happens?

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?