Last Updated On [03-11-2023]
Statement1:
A disc is rolling on a rough horizontal surface. The instantaneous speed of the point of contact during perfect rolling is zero with respect to the ground
Statement2:
The force of friction can help in achieving pure rolling condition
a)
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
b)
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
c)
Statement 1 is True, Statement 2 is False
d)
Statement 1 is False, Statement 2 is True
Statement1:
A disc is rolling on a rough horizontal surface. The instantaneous speed of the point of contact during perfect rolling is zero with respect to the ground
Statement2:
The force of friction can help in achieving pure rolling condition
a)
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
b)
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
c)
Statement 1 is True, Statement 2 is False
d)
Statement 1 is False, Statement 2 is True
Question ID - 100879 :-
Statement1:
A disc is rolling on a rough horizontal surface. The instantaneous speed of the point of contact during perfect rolling is zero with respect to the ground
Statement2:
The force of friction can help in achieving pure rolling condition
a)
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
b)
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
c)
Statement 1 is True, Statement 2 is False
d)
Statement 1 is False, Statement 2 is True
|
Statement1: |
A disc is rolling on a rough horizontal surface. The instantaneous speed of the point of contact during perfect rolling is zero with respect to the ground |
|
Statement2: |
The force of friction can help in achieving pure rolling condition |
|
a) |
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 |
|
b) |
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 |
|
c) |
Statement 1 is True, Statement 2 is False |
|
d) |
Statement 1 is False, Statement 2 is True |
|
(b) Velocity of point of contact When pure rolling occurs, Hence, Also frictional force can provide torque which further helps in achieving the pure rolling condition |
Next Question :
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Statement 1: |
A judo fighter in order to throw his opponent on to the mattries he initially bend his opponent and then rotate him around his hip |
|
Statement 2: |
As the mass of the opponent is brought closer to the fighter’s hip, the force required to throw the opponent is reduced |
|
a) |
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 |
|
b) |
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 |
|
c) |
Statement 1 is True, Statement 2 is False |
|
d) |
Statement 1 is False, Statement 2 is True |
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