Question

You and a child are on skates and you give eachother a push if the mass of the child is half your mass who has the greater acceleration by what factor

Answer 1

Answer:

According to Newton's second law force is directly proportional to acceleration and mass . So, the child who has greater mass has greater acceleration . factor is Newton second law.

Answer 2

The child has greater acceleration as the child has less mass.  The child is half of your size and has 2 times of your acceleration.  

Hence, it needs only less force to move the child.

Explanation:

• According to Newton's second law, for every action there is an equal and opposite reaction.
• So, the child who has lesser mass has greater acceleration and the factor is Newton's third  law.
• Factors are mass and acceleration.
• The child has greater acceleration on pushing you.  

Learn more:

1) What is negative acceleration called:

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2) Which would produce a greater acceleration, a force of 6.6 N in a body of mass 12 kg or a force of 1.2 N in a body of mass 2.8 kg:

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