What force will counterbalance two forces 4.0 N and 5.0 N acting perpendicular to each other?
2 answers:
The force that will balance the two forces is 6.4 N
<h3>Data obtained from the question</h3>- Force 1 (F₁) = 4 N
- Force 2 (F₂) = 5 N
- Resultant force (F)
The resultant force, F can be obtained as follow:
F = √(F₁² + F₂²)
F = √(4² + 5²)
F = √(16 + 25)
F = √41
F = 6.4 N
Thus, the force that will balance the two forces is 6.4 N
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Answer:
420m
Explanation:
Given parameters:
Time = 5minutes
Average speed = 1.4m/s
Unknown:
Distance covered = ?
Solution:
Speed is the rate of change of distance with time.
Mathematically;
Speed =
Distance = speed x time
Insert the parameters and solve;
Convert the time to seconds;
1 minute = 60s
5 minute = 5 x 60 = 300s
So,
Insert the parameters and find the distance;
Distance = 300 x 1.4 = 420m
Answer:
The explosive force experienced by the shell inside the barrel is 23437500 newtons.
Explanation:
Let suppose that shells are not experiencing any effect from non-conservative forces (i.e. friction, air viscosity) and changes in gravitational potential energy are negligible. The explosive force experienced by the shell inside the barrel can be estimated by Work-Energy Theorem, represented by the following formula:
(1)
Where:
- Explosive force, measured in newtons.
- Barrel length, measured in meters.
- Mass of the shell, measured in kilograms.
,
- Initial and final speeds of the shell, measured in meters per second.
If we know that ,
,
and
, then the explosive force experienced by the shell inside the barrel is:
The explosive force experienced by the shell inside the barrel is 23437500 newtons.