Question

Distance and displacement are used in the same sense. Displacement can be zero even if the distance is zero. When a body is thrown vertically upwards from level A on the ground and after some time it returns to the same level A, then the displacement of the body is zero. Displacement can be positive, negative or zero.
(a)Assertion : Displacement is the shortest distance from one point to another.
Reason : Displacement can be never greater than distance travelled.
(b) Assertion : An object can have constant speed but variable velocity.
Reason : Speed is a scalar quantity but velocity is a vector quantity.
(c)Assertion : A negative acceleration of a body can be associated with slowing down of the body.
Reason : Acceleration is a vector quantity.
(d)Assertion : The distance ‘ x’ in which a car can be stopped depends on the initial velocity.
Reason : Change in mass has no role to play.
(e)Assertion : The retardation slows down or stops a moving body and directed opposite to the velocity.
Reason : The position of a body at rest does not change with time.​

Answer 1

Answer:

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Explanation:

Assertion : Displacement is the shortest distance from one point to another.

Reason : Displacement can be never greater than distance travelled.