Easy Science Class 9 Level 15

Work done by friction is generally what type?

Friction द्वारा किया गया work सामान्यतः कैसा होता है?

Show answer and explanation

Correct Answer

A. negative

Explanation

Step 1: Identify the concept: this is friction and work. Step 2: Friction acts opposite to motion so it generally does negative work. Step 3: Remember friction opposes motion so negative work.

Step 1: concept पहचानें: यह friction and work है। Step 2: Friction motion के opposite act करता है इसलिए वह generally negative work करता है। Step 3: Friction opposes motion so negative work याद रखें।

PNG GD SVG HTML Font

Related Questions

58 Easy Science Class 10 Level 1

Which gas is generally released when an acid reacts with a metal?

अम्ल और धातु की अभिक्रिया से सामान्यतः कौन-सी गैस निकलती है?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

57 Easy Science Class 10 Level 1

Biomagnification is related to what?

जैव आवर्धन का संबंध किससे है?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

56 Easy Science Class 10 Level 1

What is the main function of decomposers?

अपघटक का मुख्य कार्य क्या है?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

55 Easy Science Class 10 Level 1

Who are producers in a food chain?

खाद्य श्रृंखला में उत्पादक कौन होते हैं?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

54 Easy Science Class 10 Level 1

The ozone layer mainly protects the Earth from what?

ओजोन परत पृथ्वी को मुख्य रूप से किससे बचाती है?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

53 Easy Science Class 10 Level 1

Coal and petroleum are what type of resources?

कोयला और पेट्रोलियम किस प्रकार के संसाधन हैं?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.