Does it matter which force we call the action and which force we call the reaction? _________________ Do the action and reaction forces always occur at the same time? ___________________________________ _______________________________________________________________________________________ If a force pair is applied internal to a system, explain why they will or will not accelerate the system. ________________________________________________________________________________________ ________________________________________________________________________________________ If the force pair is external to the system, explain why they will or will not accelerate the system. ________________________________________________________________________________________ ________________________________________________________________________________________ If two forces act on one object simultaneously with equal force in opposite directions, will the object accelerate? (explain)
Does it matter which force we call the action and which force we call the reaction? _________________
Do the action and reaction forces always occur at the same time? ___________________________________
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If a force pair is applied internal to a system, explain why they will or will not accelerate the system.
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If the force pair is external to the system, explain why they will or will not accelerate the system.
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If two forces act on one object simultaneously with equal force in opposite directions, will the object accelerate? (explain)
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When you step off a curb, does the street rise up to meet you? _____________________________________
When you fire a cannon, the force on the cannon and the cannonball are equal. Why doesn’t the cannon recoil with the same speed as the cannonball?
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Explain how a rocket engine propels a rocket in the vacuum of space. _________________________________
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Any vector can be resolved into two ___________________________________________________________
When a surface is horizontal and only gravity acts on an object, the normal force exerted by the surface is equal to ___________________________.
On an inclined surface, when is the normal force equal to zero? ______________________________________
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