Question

Sanjay uses a spring balance to pull a wooden block over a tiled floor.
Which of the following factors will affect the amount of force needed to pull the wooden block?

(A) The mass of the spring balance
(B) The mass of the wooden block
(C) The surface of the tiled floor
(D) The surface of the wooden block that comes in contact with the tiled floor
(A) 1 and 4 only
(B) 2 and 3 only
(C) 2, 3 and 4 only
(D)1,2,3and 4​

Answer 1

Answer:

d. 1,2,3 and 4

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Answer 2

Answer:

option D is the answer

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