Which word best describes the statement that mass is neither made nor destroyed by chemical reactions or physical changes?(1 point)
Responses
theory
theory
hypothesis
hypothesis
experiment
experiment
law
3 answers
law
5 of 55 of 5 Items
Question
Which part of Newton's second law of motion explains why it is easier to push an empty cart than a full one?(1 point)
Responses
A greater force is needed to move an object with a greater mass.
A greater force is needed to move an object with a greater mass.
A greater force will cause a greater increase in acceleration.
A greater force will cause a greater increase in acceleration.
An object with greater mass will react with a greater force.
An object with greater mass will react with a greater force.
An object with greater mass requires less force to move.
Question
Which part of Newton's second law of motion explains why it is easier to push an empty cart than a full one?(1 point)
Responses
A greater force is needed to move an object with a greater mass.
A greater force is needed to move an object with a greater mass.
A greater force will cause a greater increase in acceleration.
A greater force will cause a greater increase in acceleration.
An object with greater mass will react with a greater force.
An object with greater mass will react with a greater force.
An object with greater mass requires less force to move.
A greater force is needed to move an object with a greater mass.
0 answers