A force P pulls on a crate of mass m that is in contact with a rough surface. The figure shows the magnitudes and directions of the forces that act on the crate in this situation. Wrepresents the weight of the crate. FN represents the normal force on the crate, and f represents the frictional force. FN f = 80 N P = 160 N 60° W = 196 N

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Q: A = 2î + 3ĵ+ k B = -41 + 2ĵ- k C = 2î - 3ĵ+ 4k d) Angle between vector B and C

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Q: What is the ratio of the sun's gravitational force on you to the earth's gravitational force on you?

A: Given :Planet 2 is 2 times a massive a planet 1.Orbiting distance of planet 2 is 2 times planet 1.

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: