Question
While a mechanic was repairing a gadget using a screw driver, the steel screws kept falling down. Suggest a way to solve the problem of the mechanic on the basis of what you have learnt in this chapter.
✓
Answer
→ Using a magnet is a practical solution to the given problem because it allows the mechanic to retrieve the steel screws easily without having to search for them or risk losing them further.
→ This method utilises the magnetic properties of steel screws to make repair work more efficient and less problematic.
→ This method utilises the magnetic properties of steel screws to make repair work more efficient and less problematic.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
How muscles work in movement of bones?
Colour to show the red column on the drawings of thermometers (Fig. below) as per the temperatures written below:
Classify the following as renewable or non-renewable resources— coal, natural gas, forests and minerals.
Do magnetic poles exist separately like charges? Explain.
A portion of the night sky is shown in Figure. Draw lines to connect the stars for Orion and label the star Sirius. You may refer to Fig. $12.3.$
→Why is it important to measure temperature accurately?
Write the differences between bones and cartilage.
How are some animals adapted to live in desert?
Why could you not use an elastic measuring tape to measure distance? What would be some of the problems you would meet in telling someone about a distance you measured with an elastic tape?
$(1)$ A toy car has a bar magnet laid hidden inside its body along its length. Using another magnet how will you find out which pole of the magnet is facing the front of the car?
$(2)$ You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
→$(2)$ You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.