Questions from College Physics

Q: An SUV collides with a Mini Cooper convertible. Is the force

An SUV collides with a Mini Cooper convertible. Is the force exerted on the Mini by the SUV greater than, equal to, or less than the force exerted on the SUV by the Mini? Explain.

Q: You are standing on one end of a light wooden raft that

You are standing on one end of a light wooden raft that has floated 3 m away from the pier. If the raft is 6 m long by 2.5 m wide and you are standing on the raft end nearest to the pier, can you prop...

Q: If two vectors have the same magnitude, are they necessarily equal

If two vectors have the same magnitude, are they necessarily equal? If not, why not? Can two vectors with different magnitudes ever be equal?

Q: (a) Identify the forces acting on the skydiver. Describe

(a) Identify the forces acting on the skydiver. Describe each force as: (type of force) exerted on (object 1) by (object 2). (b) Draw an FBD for the skydiver. (c) Find the magnitude of the force on...

Q: Compare the advantages and disadvantages of the two methods of vector addition

Compare the advantages and disadvantages of the two methods of vector addition (graphical and algebraic).

Q: Pulleys and inclined planes are examples of simple machines. Explain what

Pulleys and inclined planes are examples of simple machines. Explain what these machines do in Examples 2.4, 2.14, and (2.16) to make a task easier to perform.

Q: For a problem about a crate sliding along an inclined plane,

For a problem about a crate sliding along an inclined plane, is it possible to choose the x-axis so that it is parallel to the incline?

Q: A bird sits on a stretched clothesline, causing it to sag

A bird sits on a stretched clothesline, causing it to sag slightly. Is the tension in the line greatest where the bird sits, greater at either end of the line where it is attached to poles, or the sam...

Q: Does the concept of a contact force apply to both a macroscopic

Does the concept of a contact force apply to both a macroscopic scale and an atomic scale? Explain.

Q: The readings of the two spring scales shown in the drawing are

The readings of the two spring scales shown in the drawing are the same. (a) Explain why they are the same. [Hint: Draw FBDs.] (b) What is the reading?