Three boxes in contact rest side-by-side on a smooth, horizontal floor
Their masses are 5.0-kg, 3.0-kg, and 2.0-kg, with the 3.0-kg box in the center. A force of 50 N pushes on the 5.0-kg box, which pushes against the other two boxes.
(a) Draw the free-body diagrams for each of the boxes.
(b) What magnitude force does the 3.0-kg box exert on the 5.0-kg box?
(c) What magnitude force does the 3.0-kg box exert on the 2.0-kg box?
(a) The following forces act on the 5.0-kg box: the force due to gravity, normal force, contact force between 5.0-kg mass and 3.0-kg mass, the force of 50 N pushing on the box. The following forces act on the 3.0-kg box: the force due to gravity, normal force, contact force between the 5.0-kg box and the 3.0-kg box, the contact force between the 3.0-kg box and the 2.0-kg box. The following forces act on the 2.0-kg box: the force due to gravity, normal force, contact force between the 3.0-kg box and the 2.0-kg box.
(b) 25 N
(c) 10 N
You might also like to view...
If you are standing on the floor then you actions (or lack of action) can count as a test of
a. Newton's first law b. Newton's second law c. Newton's third law d. None of the other choices are correct.
The main constituent of the Martian atmosphere is:
A) hydrogen. B) helium. C) methane. D) carbon dioxide. E) nitrogen.
Marie Curie is famous for
A) her studies of radioactivity. B) her studies of nuclear fusion. C) her invention of the X-ray laser. D) her discovery of fission. E) her invention of the electron microscope.
The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the elevator?
a. 11 m/s2 upward b. 1.2 m/s2 upward c. 1.2 m/s2 downward d. 10 m/s2 upward e. 2.4 m/s2 downward