Two Blocks Connected by a String Are Pulled Across a Horizontal

question 24

Multiple Choice

Two blocks connected by a string are pulled across a horizontal surface by a force applied to one of the blocks, as shown. The coefficient of kinetic friction between the blocks and the surface is 0.25. If each block has an acceleration of 2.0 m/s² to the right, what is the magnitude F of the applied force? ​ ​

• A)25 N
• B)18 N
• C)11 N
• D)14 N
• E)7.0 N

---

Definitions:

Word 2013

A version of Microsoft Word, part of the Microsoft Office suite, focusing on word processing and document creation.

Sizing Handles

Small squares or circles on the corners and edges of a selected object that can be dragged to resize the object.

Selected Graphic

An image or graphic element that has been highlighted or chosen for modification or manipulation in a digital interface.

CTRL+SHIFT+LEFT ARROW

A keyboard shortcut commonly used in text editing to select text to the left of the cursor while holding down the CTRL and SHIFT keys.