Three identical blocks each having a mass M are pushed by a force F on a frictionless table. what is the net force on block A? what force does A apply on B
Answers
Answered by
8
Explanation:
Acceleration of all blocks=F/3M
Net Force on A=F-(2M*F/3M)
=F/3
Force applied by block A on B =2M*a
=2M*F/3M
=2F/3
Answered by
6
Answer:
Supposethecommonacceleration=a
Totalmass=m+m+m=3m
Then,a=
3m
F
NetforceonP=F
1
=ma=m×
3m
F
=
3
F
ForceappliedonQbyp,
F
2
=(m+m)a=2m×
3m
F
=
3
2F
ForceappliedonRbyQ,
F
3
=ma=m×
3m
F =
3
F
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