Here the question is asked about "average retarding force" not about "average force". So, it is already clear that the force is retarding that the acceleration is negative. That is why the answer is 1200 N. We can say that the average retarding force is 1200 N or average force is - 1200 N.
Here the question is asked about “average retarding force” not about “average force”. So, it is already clear that the force is retarding that the acceleration is negative. That is why the answer is 1200 N. We can say that the average retarding force is 1200 N or average force is – 1200 N.
A truck moving with a speed of 54 km/h. Truck driver applied brakes suddenly and brings the truck to rest in 5 s, then the average retarding force on truck, if mass of the truck and driver is 400 kg, will be:
Here the question is asked about "average retarding force" not about "average force". So, it is already clear that the force is retarding that the acceleration is negative. That is why the answer is 1200 N. We can say that the average retarding force is 1200 N or average force is - 1200 N.
Here the question is asked about “average retarding force” not about “average force”. So, it is already clear that the force is retarding that the acceleration is negative. That is why the answer is 1200 N. We can say that the average retarding force is 1200 N or average force is – 1200 N.
See lessCBSE Syllabus 2022-23
All most negligible changes in CBSE Syllabus 2022-23 for Class 10 Maths and Science.
All most negligible changes in CBSE Syllabus 2022-23 for Class 10 Maths and Science.
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