A scissor is a _ _multiplier.

Complete the following sentence: (a) Mechanical advantage=_____ xx velocity ratio (b) In class II lever, effort arm is ____than the load arm. (c) A pair of scissors is a ____multiplier.

A pair of scissors is used to cut a piece of cloth by keeping it at a distance of 8.0 cm from its rivet and applying an effort of 10 kgf by fingers at a distance of 2.0 cm from the rivet. (a) Find : (i) the mechanical advantage of the scissors, and (ii) the load offered by the cloth. (b) How does the pair of scissors atc : as a force multiplier or as a speed multiplier ?

Virus multiplies in

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 ?

We have learnt how to multiply fractions. Two fractions are multiplied by multiplying their numerators and denominators seperately and writing the product as product of numerators product of denominators. For example,

Both a pair of scissors and a pair of pliers belong to the same class of levers. Name the class of lever. Which one has mechanical advantage less than 1?

Explain how the wheel and axle is a force multiplier

Restriction endonucleases (Molecular Scissors) are utilised in genetic engineering technique as

A pair of tongs and a pair of scissors are levers of the same class.

The specific sequence recognized by "molecular scissors" is called