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# what are the important formulas and topics for emcet in this chapter?

Asked by vbindu2806 20th July 2021, 4:06 PM
Specifically Chapter name is not mentioned in the posting. This posting comes under the chapter head "Laws of motion" .
Hence I assume you require important formula for the chapter laws of motion.

Important formulas

(1) Definition of force, F = dp/dt = m × a , where dp/dt is rate of change of momentum , m is mass and a is acceleration.

(2) Impulse = Force × time  = F × dt  ;  Impulse = change in momentum = d(mv)

(3) Conservation of momentum :  Total momentum before Collision = Total momentum after collision

(4) Friction force , f = μ N  , where μ is static friction coefficient to intiate the motion or kinetic friction coefficient
if the object is moving and N is the normal reaction force

(5) Maximum speed of vehicle moving in a curved path

If there is no banking of road ,  vmax =
If there is banking and friction ,
Important topics

(1) three laws of motion

(2) Concept of impulse

(3) Momentum conservation

(4) Friction force

(5) Circular motion , banking of curved path for vehicles
Answered by Expert 20th July 2021, 4:59 PM
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