If there is no net force acting on an object it will remain at rest or travel with uniform velocity (i.e. constant speed in a straight line). When the net force acting is zero, we say the object is in equilibrium
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What is Newton's second law?
Acceleration is proportional to the resultant force applied
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What is the equation for resultant force?
resulttant force = mass x acceleration
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What is the unit for resultant force?
N
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What is the unit for mass?
kg
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What is the unit for acceleration?
m/s2
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What is inertia?
A measure of how difficult it is to accelerate an object. The more massive the object, the more inertia it has. Bigger mass means a smaller acceleration for the same force
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