If a motionless object has a weight of 25 n, what is true of the normal force acting on the object? a. it is 25 n and acts in the same direction as the weight. b. it is 25 n and acts in the opposite direction to the weight. c. it is less than 25 n and acts in the opposite direction to the weight. d. it is more than 25 n and acts in the opposite direction to the weight.
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Ответ:
B. normal contact force acts in the opposite direction as of weight, hence A is out. C is out as if normal contact force is lesser than the weight, the object would be sinking into the ground due to net force of the weight. D is out as if normal contact force is greater than the weight, the object would be flying upwards.
Ответ:
no
Explanation: