LEVERS AND SIMPLE MACHINES - Practice Mode

1) How much load is lifted if an effort of 25 kg is applied to a simple machine having velocity ratio of 4 and efficiency 75%?
Correct Answer: 75 kg
2) What is the name of fixed or supporting point of a lever?
Correct Answer: Fulcrum
3) What effort required to lift a load of 150 kg in a wheel and axle, if the velocity ratio is 2.5 and the efficiency of the machine is 75%?
Correct Answer: 80 kg
4) What is the distance of the load from the fulcrum called?
Correct Answer: Load arm
5) Which is example for first order lever?
Correct Answer: A pair of scissors
Previous Question Set Back to Question Sets Next Question Set
Try Another Topic
Try Another Quiz