science is simply made by problem and solution.
greate scientist, for example, nobel prize scientist
deeply thinking and make epoch-making problem and solve it
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A teacher can address behavior issues with a violent student by following school policies and procedures, involving administrators or school counselors as needed. Physical force should be used as a last resort to protect oneself or others. The safety and well-being of all students and staff should be the top priority.
If the school function was authorized by the school and/or school district, then their insurance will be in force. The teachers home hazard insurance could also come into play. Leave all that detail to the insurance carriers - that's what they are paid the big bucks for doing.
Suspended is defined as : Temporarily prevent from continuing or being force or effect. One can be suspended from school, which means they are prohibited to go to school for. Certain number of days.
There is no known material that can completely repel gravitational force. Gravitational force affects all matter and is a fundamental force of nature that cannot be blocked or neutralized by any material substance.
A baseball is a great example of an internal force. The particles holding the baseball together is an internal force. But a baseball bat hitting the baseball is not an internal force, because an internal force is a force exerted by one part of a structure on another. The bat hitting the ball is an external force. Another example is a car. The pistons pushing the rods, the axle pushing the wheels, the wheels moving the car...etc. All these things are internal forces working on the car because the these things are all inside the car. But the friction created by the wheels of the car on the ground is an external force, as is the force holding the car up. Hope this helps!