LEVERS AND SIMPLE MACHINES - Quiz

1) What is the ratio between the distance moved by the effort to the distance moved by the load?

Mechanical advantage Velocity ratio Efficiency Fulcrum

2) What is the mechanical advantage, if a load of 1000 kg is lifted by a simple machine and effort applied is 250 kg?

6 8 3 4

3) What is the velocity ratio of a wheel and axle if the radii of wheel and axle are 375 mm and 75 mm respectively?

3 4 5 6

4) What is the velocity ratio of a simple machine of a mass 120 kg is lifted to a height of 5 metres by a force of 60 kg moving 15 metre. Calculate velocity ratio?

1 2 3 4

5) What is the efficiency of a simple screw jack having velocity ratio is 314.2 and mechanical advantage is 220?

0.6 0.65 0.7 0.75