Question

A force F applied to an object of mass my produces an acceleration of 3 m s-2. The same force applied to a second object of mass my produces an acceleration of 1 ms-2 mi ? (a) What is the value of the ratio m2 (b) If my and my are combined, find their acceleration under the action of the force.​

Answer 1

Answer:

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Explanation:

For the same force F, acting on different masses F=m  

1

​

a  

1

​

 and F=m  

2

​

a  

2

​

. Setting these expressions for F equal to one another gives:

(a)  

m  

2

​

 

m  

1

​

 

​

=  

a  

1

​

 

a  

2

​

 

​

=  

3

1

​

 

(b) The acceleration of the combined object is found from

   F=(m  

1

​

+m  

2

​

)a=4m  

1

​

a

or a=  

4m  

1

​

 

F

​

=  

4

1

​

(3.00m/s  

2

)=0.750m/s  

2

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