Question

Which statement is correct?
A
Iron rims are cooled before
they are placed on cart
wheels
B
A glass stopper gets tight on
warming the neck of the
bottle
С
Telephone wires sag in winter
but become tight in summer
D
A little space is left between
two rails on a railway track​

Answer 1

Answer:

Bglass stopper gets tight on

warming the neck of the

bottle

Answer 2

Explanation:

In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity.