Question

A block of mass 'm' is slipping down a rough inclined wedge, kept at rest on a horizontal table, with constant velocity. Force on wedge by table –

• A. Is less than (m + M) g
• B. Is equal to (m + M) g
• C. Is equal to (M + m cos²q) g
• D. Will make some non-zero angle with vertical direction

Answer 1

Answer: (B)

Is equal to (m + M) g

Answer 2

Sol. Free body diagram of “wedge + mass” system-

\ N = (m + M)g