The mass of her friend is<u> </u> <u>28.57.</u>
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Force is a push or pulls upon an item because of the object's interaction with some other object. pressure is a power that can exchange the motion of an object. A force can reason an object with mass to alternate its speed, i.e., to boost up. pressure also can be described intuitively as a push or a pull. A force has each significance and course, making it a vector amount.
<u>Calculation:-</u>
given;
mass = ?
acceleration = 2.1 m/s
force = 60 N
Force = mass × acceleration
mass = force/acceleration
= 60 /2.1
= <u>28.57 kg</u>
The phrase 'Force' has a unique meaning. At this degree, it is absolutely appropriate to describe a force as a push or a pull. A force is not something that an object consists of or 'has in it. A force is exerted on one object through another. The concept of a force isn't always restricted to living matters or non-living matters.
Learn more about force here:-brainly.com/question/12970081
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