Advertisements
Advertisements
प्रश्न
In class II lever, effort arm is ______ than the load arm.
उत्तर
In class II lever, effort arm is longer than the load arm.
APPEARS IN
संबंधित प्रश्न
Explain the term mechanical advantage.
Define the term velocity ratio.
When does a machine act as (a) a force multiplier, (b) a speed multiplier? Can a machine act as a force multiplier and a speed multiplier simultaneously?
- State the relationship between mechanical advantage, velocity ratio and efficiency.
- Name the term that will not change for a machine of a given design.
How is the mechanical advantage related with the velocity ratio for an actual machine? State whether the efficiency of such a machine is equal to 1, less than 1 or more than 1.
Draw diagrams to illustrate the position of fulcrum load and effort, in the following:
A seesaw
Draw a diagram to illustrate the position of fulcrum load and effort, in the following:
A common balance
Draw a diagram to illustrate the position of fulcrum load and effort, in the following:
A nut cracker
A machine works as a
- force multiplier,
- speed multiplier.
In each case, state whether the velocity ratio is more than or less than 1.
Mechanical advantage = ______ × velocity ratio.
