Chapter 4. Newton's second law, alternative form (4-3)

Question

Jdpog/GMNkgdKq/K34Ww+5c/ai8/3CO6gtJfX52R3QGH78V2UG3nYxvmrm/df3rG5gUWLg==
{"title":"The acceleration of an object...","description":"Correct!","type":"correct","color":"#99CCFF","code":"[{\"shape\":\"rect\",\"coords\":\"1,24,40,86\"},{\"shape\":\"poly\",\"coords\":\"82,133\"}]"} {"title":"...is proportional to and in the same direction as the net external force on the object...","description":"Wrong","type":"incorrect","color":"#ffcc00","code":"[{\"shape\":\"rect\",\"coords\":\"118,11,119,13\"},{\"shape\":\"rect\",\"coords\":\"209,17,246,79\"}]"} {"title":"... and inversely proportional to the mass of the object","description":"Incorrect","type":"incorrect","color":"#333300","code":"[{\"shape\":\"poly\",\"coords\":\"113,132\"},{\"shape\":\"rect\",\"coords\":\"88,74,138,109\"}]"}

Question

si8cB8rT83HrBSvTFeKcjWKuWGyIiFiT980eainGKg5lEfJ3xwalK6qhMRDD+U7aLO+v4yKq7ja/yXEsVlnnUFIGpRQ9yCA41P9xP3VADMH+mErM8YzmIaCq+wyfma2n
{"title":"The acceleration of an object...","description":"Wrong","type":"incorrect","color":"#99CCFF","code":"[{\"shape\":\"rect\",\"coords\":\"1,24,40,86\"},{\"shape\":\"poly\",\"coords\":\"82,133\"}]"} {"title":"...is proportional to and in the same direction as the net external force on the object...","description":"Correct!","type":"correct","color":"#ffcc00","code":"[{\"shape\":\"rect\",\"coords\":\"118,11,119,13\"},{\"shape\":\"rect\",\"coords\":\"209,17,246,79\"}]"} {"title":"... and inversely proportional to the mass of the object","description":"Incorrect","type":"incorrect","color":"#333300","code":"[{\"shape\":\"poly\",\"coords\":\"113,132\"},{\"shape\":\"rect\",\"coords\":\"88,74,138,109\"}]"}

Question

Qez4OYIxa8hXLhl5vSONQW6+dBysV5HyzqAzk282WlDp23bGYmAMwuMsAHQc3UteVapPKpv8saiqSpDIG3CwOw==
{"title":"The acceleration of an object...","description":"Wrong","type":"incorrect","color":"#99CCFF","code":"[{\"shape\":\"rect\",\"coords\":\"1,24,40,86\"},{\"shape\":\"poly\",\"coords\":\"82,133\"}]"} {"title":"...is proportional to and in the same direction as the net external force on the object...","description":"Wrong","type":"incorrect","color":"#ffcc00","code":"[{\"shape\":\"rect\",\"coords\":\"118,11,119,13\"},{\"shape\":\"rect\",\"coords\":\"209,17,246,79\"}]"} {"title":"... and inversely proportional to the mass of the object","description":"Correct!","type":"correct","color":"#333300","code":"[{\"shape\":\"poly\",\"coords\":\"113,132\"},{\"shape\":\"rect\",\"coords\":\"88,74,138,109\"}]"}

Review

To see the significance of mass more clearly, divide both sides of Equation 4-2 by the object’s mass \(m\):