alleryStart learning →A 7 N force has a 0.4 m perpendicular moment arm. Moment?
A7.4 N m
B17.5 N m
C0.057 N m
D2.8 N m
Answer & Solution
Correct answer: D. 2.8 N m
Multiplying 7 N by the perpendicular arm of 0.4 m gives 2.8 N m.
Keep practising Force and Pressure
Browse all Force and Pressure questions for ICSE Class 8, or explore more Physics topics.
Related questions
The pressure force of still water on a smooth wall acts?A suction cup has less air beneath it. What holds it to a wall?Atmospheric pressure is associated with the?Air supports the stretched wall of an inflated balloon by?Normal force and contact area both double. Pressure becomes?A 600 N person stands equally on two feet, each 0.015 m². Pressure?A 12 N block rests on 2×3 cm or 3×4 cm faces. Smaller pressure?Normal force doubles while contact area triples. New pressure?