hundred points question the all of question give mark as brainliest and not smap hundred points please answer it very e important questions urgent
Answers
this the answer of 5th number question.
the answer of question 3rd ka d is
- pressure decreases with increase in area so the bags are provided with wider straps to increase the area and hence to decrease the pressure. so that our shoulders do not get pain while carrying the bag.
answer of 3rd ka c is
pressure increases with decrease in area. a sharp knife has very less area so the force needed for the required pressure is less so it becomes easy to cut.
answer of 3rd ka f is
air pressure decreases with altitude. so the inner pressure is more than the outer pressure in high altitudes. this pressure differences repture the blood vessels in the nose and causes bleeding.
the 3 effects of force are -
1) a force can stop a moving body.
example - a fielder catches a moving cricket ball to stop it's motion.
2) a force can change the shape and size of an object.
example - when a spring is pulled, it's shape and size change.
3) a force can change its state of motion.
example-a fielder catches a moving cricket ball to stop it's motion.
You can find your answer from Google