(a) Select True or False for the following statements. (i) A body can be acceler
ID: 1950016 • Letter: #
Question
(a) Select True or False for the following statements.
(i) A body can be accelerating even when it is not moving.
(ii) The words motion and acceleration can be used interchangeably.
(iii) The position of a body in motion changes with time.
(iv) The velocity of an accelerated body changes with time.
(v)Motion and acceleration are not the same quantity.
(b) Select True or False for the following statements.
The 'net force' in the statements below is the sum of ALL forces acting on the body.
(i) The net force which acts on an object which maintains a constant velocity is zero.
(ii) If two objects have the same acceleration, they are under the influence of equal forces.
(iii) During the collision of a car with a locomotive, the locomotive exerts an equal size force on the car as the car exerts on the locomotive.
(iv) If a net force acts on an object, the object's velocity will change.
(v) If a net force acts on an object, the object's speed will change.
(vi) A car initially moving at a constant velocity will slow down unless a small net force is applied.
Explanation / Answer
i) true ii) false iii) true iv) true v) true i) true ii) false iii) true iv) true v) false vi) false
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