Answer:
Explanation:
since force is applied downwards at some angle with the horizontal
so here we will have
now we know that the box will not move if applied force is balanced by frictional force on it
so we will have
so here we can say
The windshield of a speeding car hits a hovering insect. Consider the time interval from just before the car hits the insect to
1 answer:
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Answer:
The magnitude of force is 1.86 N and the direction of force is towards the other wire.
Explanation:
Given:
Current flowing through each power line, I = 130 A
Distance between the two power lines, d = 40 cm = 0.4 m
Length of power lines, L = 220 m
The force exerted by the power lines on each other is given by the relation:
Substitute the suitable values in the above equation.
F = 1.86 N
Since the direction of current flowing through the power lines are opposite to each other, so the force is attractive in nature. Hence, the direction of force experienced by the power lines on each other is towards the each other.
Answer:
True.
Explanation:
The density of an object is given by its mass divided by its volume. It can be given as follows :
It can be seen that the density of an object is directly proportional to its mass. It means if the mass of an object increase, its density will also increase. Hence, the given statement is true.