What is the name of newton's first law of motion?
a. law of inertia
b. law of acceleration
c. law of objects at rest
d. law of opposing forces

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not