Question

10. When direction of applied
force and direction in which
object moves are
perpendicular to each other,
then​

Answer 1

Explanation:

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Answer 2

Answer:

As we know that the work done is the dot product of force applied on an object and the distance covered by the object W=f.d = lflldlcos £

where £ is the angle between the direction of force and displacement .

Now as the angle between force applied and direction of the body is perpendicular the work done is zero.

This is the reason that the earth don't collapse to su.,or moon don't collapse to earth .as there direction of force applied (gravitational) is perpendicular to direction of motion of them.

Explanation:

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