Question

the acting on a body is the of its and acceleration ​

Answer 1

Answer:

a is 8/4 =2m/s . Hence , the acceleration of a body remains the same when force and mass of a body is doubled..

Answer 2

Answer:

As the force acting upon an object increases, the acceleration of the object also increases. ... When a muscle contracts, it applies an internal pulling force on a bone, which causes movement. External forces are generated outside of the body. For example, when you fall, the force of gravity pulls you down.

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