EASY
6th CBSE
IMPORTANT
Earn 100

Roopa observed that her mother is using a cutting plier instead of fire tongs to hold a hot container, and she prevented her from doing so. Why?

Important Questions on The Mechanism of Machines

EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 4 - The Mechanism of Machines>PRACTICE QUESTIONS (CLASSROOM WING)>Q 24
Explain why, a single-fixed pulley is used to lift a load even if its MA is equal to 1?
EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 4 - The Mechanism of Machines>PRACTICE QUESTIONS (CLASSROOM WING)>Q 24
How can we use third-order levers as machines even though their MA is less than one?
EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 4 - The Mechanism of Machines>PRACTICE QUESTIONS (COMPETITION WING)>Q 2
A rod which is free to move around a point is called ____.
EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 4 - The Mechanism of Machines>PRACTICE QUESTIONS (COMPETITION WING)>Q 8
Which of the following is an example of wedge?
EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 4 - The Mechanism of Machines>PRACTICE QUESTIONS (COMPETITION WING)>Q 9
Ghat road is an example of
EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 4 - The Mechanism of Machines>PRACTICE QUESTIONS (COMPETITION WING)>Q 10
Which of these is not a wheel and axle?
MEDIUM
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 4 - The Mechanism of Machines>PRACTICE QUESTIONS (COMPETITION WING)>Q 11

To open the lid of a bottle, 50 N force is needed, Siri wanted to open the lid with her maximum effort of 10 N, which of the following openers is suitable for doing it?

Question Image

MEDIUM
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 4 - The Mechanism of Machines>PRACTICE QUESTIONS (COMPETITION WING)>Q 12
Hari and Vamshi constructed houses adjacent to each other, in such a way that the ground floors of both the houses are of height 1 m each from the level of the road. Vamshi built an inclined plane in front of his house so that its length is 50% more than that of Hari's house. Find the ratio of the efforts required to lift the same load to the ground floor of both houses.