The free-body diagram of a crate is shown.
2 answers:
The net force acting on the crate is the sum of all the forces acting in the different directions on the crate, which is 176N to the left.
- Upward force = 440 N
- Downward force = - 440N
- Rightward force = 176 N
- Leftward Force = - 352N
<u>The net vertical force acting on the crate</u> :
- Upward force + Downward force
- 440N + (-440N) = 0 N
<u>The net horizontal force acting on the crate</u> :
- Rightward force + Leftward force
- 176 N + (- 352 N) = - 176N
<u>The total net force acting on the crate</u> :
- Vertical + horizontal force
- 0 + (-176 N) = - 176 N
Therefore, the net force acting on the crate is - 176 N, which is 176 N to the left.
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Answer:
(a) The magnetic energy density in the field is 6.366 J/m³
(b) The energy stored in the magnetic field within the solenoid is 5 kJ
Explanation:
magnitude of magnetic field inside solenoid, B = 4 T
inner diameter of solenoid, d = 6.2 cm
inner radius of the solenoid, r = 3.1 cm = 0.031 m
length of solenoid, L = 26 cm = 0.26 m
(a) The magnetic energy density in the field is given by;
(b) The energy stored in the magnetic field within the solenoid