Two Blocks Are Connected by a String That Goes Over

question 31

Short Answer

Two blocks are connected by a string that goes over an ideal pulley as shown in the figure and pulls on block A parallel to the surface of the plane. Block A has a mass of 3.00 kg and can slide along a rough plane inclined 30.0° to the horizontal. The coefficient of static friction between block A and the plane is 0.400. What mass should block B have in order to start block A sliding up the plane?

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Definitions:

Direct Method

The direct method is a way of preparing cash flow statements where actual cash flows from operating activities are reported instead of adjustments from net income.

Direct Approach

A method used in accounting that focuses on the immediate recognition of revenues and expenses when they are incurred, without adjusting for accruals.

Indirect Approach

A method used in the preparation of the cash flow statement where net income is adjusted for non-cash transactions and changes in working capital.

Investing Activities

Financial transactions related to the acquisition and disposal of long-term assets and other investments not included in cash equivalents.