04 Multiple Choice 0/1
A person weighing 700 N is sitting on a horizontal, uniform board of weight 170 N. The board is 2 meters long and is supported by
vertical chains at both ends. The tension in the chain on the right is 350 N.
How far from the left end of the board is the person sitting?
0.56m
1.21m
1.47m
0.76m
0.83m

James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the

What is the gravitational attraction between a dating couple whose centers of mass are 0.630 m apart if the boy weighs 715 n and the girl weighs 465 n?

Which of the following is an example of a compound machine. a. a bicycle chain. b. a coffee mug. c. a paper cutter