A solid sphere starts from rest at the top of an incline of height 
and length 
and moves down. The force of fraction between the sphere and athe inclinme is 
. This is sufficient to prevent slipping. The kinetic energy of the sphere at the bottom of the incline is 
, then
a)
The work done against the force of fraction is 
b)
The heat produced is 
c)
d)
A solid sphere starts from rest at the top of an incline of height and length and moves down. The force of fraction between the sphere and athe inclinme is . This is sufficient to prevent slipping. The kinetic energy of the sphere at the bottom of the incline is , then
a)
The work done against the force of fraction is
b)
The heat produced is
c)
d)
Question ID - 100733 | SaraNextGen Top Answer
A solid sphere starts from rest at the top of an incline of height and length and moves down. The force of fraction between the sphere and athe inclinme is . This is sufficient to prevent slipping. The kinetic energy of the sphere at the bottom of the incline is , then
a)
The work done against the force of fraction is
b)
The heat produced is
c)
d)
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A solid sphere starts from rest at the top of an incline of height |
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a) |
The work done against the force of fraction is |
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b) |
The heat produced is |
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c) |
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d) |
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(a,d) In rolling with slipping, the force of friction produces a torque which gives an angular acceleration to the body. Hence, part of the work done against friction is converted into rotational kinetic energy, which adds to the total kinetic energy. Only the remaining part of the work done against friction is converted into heat |