Mr. Brown Likes to drive with his dogs in the back of his
truck. While Mr. Brown is
driving, the dogs walk
around the back of the truck
unrestrained.

Write a letter to Mr.
Brown explaining why
he needs to restrain his
dogs while driving.
You must use
information about
Newton's Laws in your
explanation.

When does your body conduct current more readily?

Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is μs = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?