MCQ- 8 ICSE Physics class 10 ch-1 FORCE ,WORK, POWER AND ENERGY

Velocity Ratio (VR) - Machines Quiz

1. Velocity Ratio (VR) is defined as:

Load / Effort Effort / Load Distance moved by effort / Distance moved by load Work output / Work input

2. The velocity ratio of an ideal machine is always:

Less than 1 Equal to mechanical advantage More than 1 Equal to 1

3. In a machine, if the effort moves 5 meters while the load moves 1 meter, the velocity ratio is:

0.2 5 1 0.5

4. If friction is neglected, which of the following is true for a machine?

VR = MA VR > MA VR < MA MA = Efficiency

5. The velocity ratio of a single fixed pulley is:

0.5 1 2 More than 2