A 50N girl pushes a 10,000 N car with force of 200N. What is the force the car pushes back at the girl? *
50N
10,000N
10,250N
200N
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Ответ:
200N
Explanation:
EVERY FORCE IS OPPOSED BY AN EQUAL FORCE, REGARDLESS OF THE WEIGHT OF THE OBJECTS APPLYING THE FORCE.
Ответ:
Whenever an object is moving at a constant rate . . .
a). its speed is that constant rate.
b). Its acceleration MAY BE zero, if it's also moving in a straight line.
c). Its velocity is that constant rate if it's moving in a straight line. Otherwise, its velocity could have many different values, depending on the path it's following.