Explain why the sole of our shoe wear out.
A weightlifter rubs powder in the hands before lifting a weight so as to increase the amount of friction in between the hands and the rod. This helps the lifter to have a better grip on the rod.
How can the amount of friction increase if powder is applied? Isnt it a lubricant?
why is 'static friction'called a self adjusting force?
Arrange in ascending order-
Rolling friction; Sliding friction; Static friction; Kinetic friction; Fluid friction
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a ball moving on a horizontal surface stops after sometime without applying any force.why
how does friction helps us in walking?
Water comes out more slowly from upstairs tap than from a similar
why spaceships are provided with heat shields
What is a streamlined body? How is it helpful for a body to have such a shape?
what will happen if friction suddenly vanishes from our life
why is rolling friction less than sliding friction?
'When we walk, we press the ground in the backward direction, using our feet. Since friction acts in the opposite direction of motion, it pushes us forward. Hence, we are able to walk.'I dont understand this.. explain???
Why do we sprinkle fine powder on the carom board while playing?
mention three effects (consequences) of friction.
Why is friction called a perverse force ?
is friction a friend or foe?
Can anyone list 10 advantages and disadvantages of friction?
A car travels a certain distance with a speed of 50 km/hr and returns with a speed of 40 km/hr. Calculate the averagespeed for whole journey.
give 10 examples of friction in our daily life.
GIVE REASON WHY POWDER IS SPRINKLED ON THE CARROM BOARD
Give five examples to show that friction is increased deliberately.
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