Question

three blogs 1kg,4kg and2kg are placed on smooth horizontal plane .the net force of 2kg​

Answer 1

Answer:20N

Explanation  

:

(a) a=Net pushing forceTotal mass

=120−501+4+2

=10m/s2

(b) 120−R=1×a=10

R=110N

( c) Fnet=(2)(10)= 20 N`

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