In which of the following situations would a force of 9.8N act on a stone of mass 1kg : (Neglect air resistance)

Question 1

(A) just after it is dropped from the window of a stationary train

(B) just after it is dropped from the window of a train running at a constant speed of 36km/hour

(C) just after it is dropped from the window of a train accelerating at 1ms-2

(D) when it is lying at rest on the floor of a train which is accelerating at 1ms-2

Question 2

(A) just after it is dropped from the window of a stationary train

(B) just after it is dropped from the window of a train running at a constant speed of 36 km/hour

(C) just after it is dropped from the window of a train accelerating at 1ms-2

kratos · Answer 1 · 2020-03-05T06:41:31+0000

(A) just after it is dropped from the window of a stationary train

(B) just after it is dropped from the window of a train running at a constant speed of 36 km/hour

(C) just after it is dropped from the window of a train accelerating at 1ms-2

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