Science

What is Simple Machine

Answer explanation

It is in the book if you got wrong please revise

Which of the following is a Simple Machine

• Mobile

• Cycle

• Human

• Lever

Answer explanation

If you got wrong please revise

............. is the force applied on a simple machine to do mechanical work

Answer explanation

If you got wrong please revise

Tithi wanted to have lemonade in the afternoon. Her mother used a lemon squeezer to extract the juice from lemon . Which type of lever she used ?

• Class one lever

• Class two lever

• Class three lever

• She didn't use any lever

Answer explanation

Lemon squeezer is a type of class two lever in which the lemon is the load , the handles are effort and where the handles join is the fulcrum

Lifting one's body on toes acts like which lever

Riya is writing about X and Y. X is a wheel with a groove around and outside. Y consist of 2 inclined planes and is used to make things apart . Identify the both X and Y

• X- wedge y-lever

• X-screw Y - pulley

• X- pulley y- wedge

Answer explanation

A simple machine with a wheel with a groove around is a pulley. A simple machine with 2 inclined planes is a wedge.

From where we get nutrients

• From the food we eat

• From exercise

Name the nutrients

• Carbohydrates

• Fats

• Proteins

• Vitamin and minerals

____ are the type of plants that grow in desserts

The surrounding of wherein a plant grows is .

• Adaptation

• Habbitat