1
Question
Select the examples in which sliding friction is acting on the body.
Select the examples in which sliding friction is acting on the body.
Parked Car
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Solution
The correct options are
A
B
C
Sliding friction acts when two surfaces in contact are sliding against each other.
During skiing, the ski is sliding over the snow.
When cards are shuffled, they slide against each other.
When we push a bottle on the table, it slides on it.
Hence, the sliding friction is acting in all these cases.
A parked car is stationary and has no tendency to move. Hence, no friction acts on it. The rolling friction will act on car when it starts to move.
A
B
C
Sliding friction acts when two surfaces in contact are sliding against each other.
During skiing, the ski is sliding over the snow.
When cards are shuffled, they slide against each other.
When we push a bottle on the table, it slides on it.
Hence, the sliding friction is acting in all these cases.
A parked car is stationary and has no tendency to move. Hence, no friction acts on it. The rolling friction will act on car when it starts to move.
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