1. Does the box accelerate when a force is applied to it? Why?
2. In which situation use the box accelerate more why do you say so
3. How does the amount of force applied affect acceleration when the mass of the object is kept constant?
2. In which situation use the box accelerate more why do you say so
3. How does the amount of force applied affect acceleration when the mass of the object is kept constant?
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Answer:
1.An object accelerates when its speed changes or its direction of motion changes or both. Changes in an object's speed are always continuous even though in some situations it may appear to be almost instantaneous (for example a golf ball when hit by a golf club, or car collisions).
2.Newton's second law of motion states that acceleration is directly proportional to net force when mass is constant…
a ∝ ∑F
and that acceleration is inversely proportional to mass when net force is constant…
a ∝ 1
m
and that net force is directly proportional to mass when acceleration is constant…
∑F ∝ m
This is more compactly written as an equation that combines these relationships…
a = ∑F
m
For a variety of reasons, Newton's second law of motion is often written with net force as the subject of the equation like this…
∑F = ma