Mechanical Advantage Quiz

In a Class 2 lever, what is the sequence of components from one end to the other?

• Fulcrum, resistance, effort

• Effort, fulcrum, resistance

• Resistance, effort, fulcrum

• Effort, resistance, fulcrum

What is the load being lifted in the image?

• 50kg

• 75kg

• 100kg

• 150kg

What is the lifting force required to lift a 100kg load with two pulleys?

• 25kg

• 50kg

• 75kg

• 100kg

What does the image demonstrate about pulleys?

• Pulleys increase speed

• Pulleys decrease load

• Pulleys provide mechanical advantage with additional wheels

• Pulleys generate electricity

What is the speed of the 400mm driven gear when the 200mm driver pulley rotates at 200 RPM?

• 50 RPM

• 100 RPM

• 150 RPM

• 200 RPM

How many turns does the driving gear make for every turn of the driven gear in the example?

• 1 turn

• 2 turns

• 3 turns

• 4 turns

What does the velocity ratio determine in a pulley system?

• The color of the pulleys

• The material of the pulleys

• The rotation speed difference

• The weight of the pulleys

In the given pulley system, what happens to the speed of the driven pulley compared to the driver pulley?

• It doubles

• It halves

• It remains the same

• It quadruples

What is the speed of the motor driver pulley?

• 50 RPM

• 100 RPM

• 200 RPM

• 400 RPM

What would happen if the screw could move out of position?

• The water would spill

• The screw would break

• The water would not move up

• The screw would stop turning