Questions from College Physics

Q: Two vectors, each of magnitude 4.0 N, are

Two vectors, each of magnitude 4.0 N, are inclined at a small angle α below the horizontal, as shown. Let C = A + B. Sketch the direction of C and estimate its magnitude. (The grid is 1...

Q: In the drawing, what is the vector sum of forces A

In the drawing, what is the vector sum of forces A+B+C if each grid square is 2 N on a side?

Q: A young boy with a broken leg is undergoing traction.

A young boy with a broken leg is undergoing traction. (a) Find the magnitude of the total force of the traction apparatus applied to the leg, assuming the weight of the leg is 22 N and the weight han...

Q: Rank the vectors D, E and F in order of increasing

Rank the vectors D, E and F in order of increasing magnitude. Explain your reasoning.

Q: In the drawing, what is the vector sum of forces D

In the drawing, what is the vector sum of forces D+E+F if each grid square is 2 N on a side?

Q: Two of Robin Hood's men are pulling a sledge loaded with some

Two of Robin Hood's men are pulling a sledge loaded with some gold along a path that runs due north to their hideout. One man pulls his rope with a force of 62 N at an angle of 12° east of north and t...

Q: Juan is helping his mother rearrange the living room furniture.

Juan is helping his mother rearrange the living room furniture. Juan pushes on the armchair with a force of 30 N directed at an angle of 25° above a horizontal line while his mother pushes with a for...

Q: A force of 20 N is directed at an angle of 60

A force of 20 N is directed at an angle of 60° above the x-axis. A second force of 20 N is directed at an angle of 60° below the x-axis. What is the vector sum of these two forces?

Q: A dog goes swimming at the beach and then shakes himself all

A dog goes swimming at the beach and then shakes himself all over to get dry. What principle of physics aids in the drying process? Explain.

Q: Rank vectors A, B and C in Problem 6 in order

Rank vectors A, B and C in Problem 6 in order of increasing x-component. The x-axis points east. Explain your reasoning.