When trying to turn a key into a lock, following is applied?

Question

RRB Paper · Accepted Answer

When two forces of equal magnitude are opposite in direction and acting along parallel straight lines, then they are said to form a couple. The perpendicular distance between the two forces forming a couple is called the arm of the couple.

Practical Application of a Couple:

To turn a car the driver applies a couple to the steering wheel
To wind the spring of an alarm clock, it is applied by the fingers
To open or close a water tap
To turn a key of a lock:- In order to turn a key in the keyhole of a lock, forces are applied by fingers. These forces form a couple.
To open or close a cap of a bottle.
To turn a screwdriver.

When trying to turn a key into a lock, following is applied?

Coplanar force

Non-coplanar forces

Moment

Couple

The correct answer is `No. 4: Couple`

Details

Frameworks

Database

Billing

Completed

Drop campaign files here or click to upload.

No result found

Advanced Search

When trying to turn a key into a lock, following is applied?

Coplanar force

Non-coplanar forces

Moment

Couple

The correct answer is No. 4: Couple

The correct answer is `No. 4: Couple`