Can someone help me please it is number 7
1 answer:
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#1
As per work energy theorem work done by all forces must be equal to change in its kinetic energy
so correct answer will be
= change in kinetic energy
#2
Torque is defined as
so here torque will be maximum when applied force is perpendicular to the rod
so first figure of rod is correct for maximum torque
#3
When car makes turn then its passengers moves outwards which is due to the property of inertia because due to this property passengers has tendency to move in same direction and hence it feels to move outwards
So correct answer will be
<em>inertia</em>
#4
As per energy conservation we can say
initial potential energy = final kinetic energy