MCQ- 12 ICSE Physics class 10 ch-1 FORCE ,WORK, POWER AND ENERGY

Numericals ;

1. A force of 10 N acts at a perpendicular distance of 0.5 m from the axis of rotation. What is the moment of force?

5 Nm 10 Nm 15 Nm 20 Nm

2. A couple consists of two equal and opposite forces of 20 N separated by a distance of 0.8 m. What is the moment of the couple?

10 Nm 16 Nm 20 Nm 32 Nm

3. A spanner of length 30 cm is used to loosen a nut. If a force of 50 N is applied at the end perpendicular to it, what is the torque?

10 Nm 15 Nm 20 Nm 25 Nm

4. A force of 12 N acts at a distance of 0.6 m from a pivot. What is the resulting moment of force?

4.2 Nm 6.8 Nm 7.2 Nm 9.0 Nm

5. Two equal and opposite forces of 15 N act on a body at a perpendicular distance of 0.5 m. What is the moment of the couple?

5 Nm 7.5 Nm 10 Nm 15 Nm