MEDIUM
11th West Bengal Board
IMPORTANT
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What is the difference between acceleration and retardation? Why retardation is called negative acceleration?

Important Questions on Motion of a Particle

MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 4
A particle begins a motion with an initial velocity u and a uniform acceleration f. Write down the three equations which determine the final velocity ν and the distance s it traverses after time t.
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 5
If a particle, thrown vertically upwards ascends a height S in time t, then S=ut-12gt2;  what will be the nature of the graph between S and t? When will the velocity of the particle be zero?
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 6
What is frame of reference? Why we do not get absolute velocity of a body?
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 7
''Change of frame of reference changes the description of motions, but it does not change the occurrence of an event" - justify.
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 8
Explain why raindrops strike the front windscreen of a vehicle.
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 9
S1 and S2 are two frames of reference moving with uniform velocity with respect to each other. A particle P is observed from S1 to have a velocity V and acceleration a. How the above description of motion of the particle changes if it is observed from S2? Explain your answer.
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 10
A particle is moving around a circular path of radius r and completes n revolutions per second. What are its angular velocity, linear speed and acceleration?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 11
A particle revolves in a circular path of radius r with angular acceleration α. What is the angle which the resultant acceleration makes with the radius at a particular instant?