Question

A body of mass 5kg is suspended by a spring balance on an inclined plane as shown in figure. The spring balance measure

• A. 50 N
• B. 25 N
• C. 500 N
• D. 10 N

Answer 1

Answer: (B)

25 N

Answer 2

Since downward force along the inclined plane

= $m g \sin \theta$ $= 5 \times 10 \times \sin 30 ^ { \circ }$ = 25 N