A screw is preferred over a nail to insert into wood because :

Screw holds more firmly than a nail.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Less force is needed to insert a screw.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Tip of a screw has more area of contact than nail.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Fulcrum of the screw is at its head.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct options are
A Less force is needed to insert a screw.
B Screw holds more firmly than a nail.
D Fulcrum of the screw is at its head.
(a) Screw has thread like grip on it so it holds more firmly than a nail.
(b) You have apply to torque to insert screw which require less force on the other hand nail require huge impulse to insert.
(c) Tip of both has approximately equal area.
(d) Fulcrum is a pivot around a lever turns ,or something that plays a central role. screw has it at its head.

Suggest Corrections

Similar questions

Q. If a nail requires 3 N force to insert into wood, then the value of force required to insert a screw into wood will be:

Q. It is easier to drive a screw rather than a nail of the same size into a wall because:

Four screw gauges are to be calibrated to the standard thickness $t_{s t}$ of a wire. Series of measurements were performed by each instrument to obtain a distribution of the measured values as shown.

Which of the following statements is correct?

Q. Few iron nails and screws got mixed with wood shavings while a carpenter was working with them. How can you help him in getting the nails and screws back from the scrap without wasting his time by searching with his hands?

Q. 48 more screws are required to complete the statue and Kino has 25 screws with him. How many more screws Kino needs to buy.

Join BYJU'S Learning Program