Explore topic-wise InterviewSolutions in .

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1.	Name a machine which is used to:(a) multiply force,(b) multiply speed and(c) change the direction for force applied.
Answer» (a) Multiply force: a movable pulley. (b) Multiply speed: gear system or class III lever. (c) Change the direction of force applied: single fixed pulley.

Name a machine which is used to:(a) multiply force,(b) multiply speed and(c) change the direction for force applied.

Answer»

(a) Multiply force: a movable pulley.

(b) Multiply speed: gear system or class III lever.

Discussion

2.	What do simple machines need to start working?
Answer» The simple machines need some water, coal and oil to start working.

Discussion

Explore topic-wise InterviewSolutions in .

Name a machine which is used to:(a) multiply force,(b) multiply speed and(c) change the direction for force applied.

What do simple machines need to start working?