Answer:
An object slides down an inclined plane at a constant velocity if the net force on the object is zero. We can use this fact to measure the coefficient of kinetic friction between two objects.
Explanation:
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Momentum helps us quantify how much movement an object has. For example, if we want to know how much movement an object of 2 kg moving at 4 m/s has, we take their product.
Answer:
The right hand rule
Explanation:
The thumb indicating the direction of the moving charge, and the fingers indicating the direction of the magnetic field vectors in the right hand rule.
Answer:
A frame of reference is the location from which motion is perceived and measured. For all observers, the speed of light remains constant.
Explanation:
