Force on an Object: Find Force Exerted by 7.0kg Block

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In summary, three blocks with masses of 1.0 kg, 7.0 kg, and 9.0 kg are initially pushed forward by a 20 N force applied to the 1.0 kg block on a frictionless table. In order to solve this problem, one must create a free body diagram and use the equation F=ma to determine the forces acting on each block. The force exerted by the 7.0 kg block on the 9.0 kg block can be found by using the equation F=ma and substituting the mass and acceleration of the 9.0 kg block. Similarly, the force exerted by the 7.0 kg block on the 1.0 kg block
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kdb004
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Homework Statement



Blocks with masses of 1.0 kg, 7.0 kg, and 9.0 kg are lined up in a row on a frictionless table. All three are pushed forward by a 20 N force applied to the 1.0 kg block.

A) How much force does the 7.0 kg block exert on the 9.0 kg block?

B) How much force does the 7.0 kg block exert on the 1.0 kg block?I am unsure of where to start or an equation to even use. help on how to solve it would be greatly appreciated
 
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for most of the mechanics problems draw the FBD(labeling all forces) and put in equations obeying F=ma...and solve.

PS: try posting atleast your idea of the problem..
 

1. What is the formula for calculating force on an object?

The formula for calculating force on an object is F = m x a, where F represents force, m represents mass, and a represents acceleration.

2. How do you find the force exerted by a block?

To find the force exerted by a block, you must first determine the mass of the block and the acceleration acting on it. Once you have those values, you can use the formula F = m x a to calculate the force exerted by the block.

3. What is the unit of measurement for force?

The unit of measurement for force is the Newton (N). In the formula F = m x a, the unit for force (F) is kg x m/s^2.

4. How does the mass of an object affect the force exerted on it?

The mass of an object directly affects the force exerted on it. The greater the mass of an object, the more force is required to move it or change its velocity.

5. How does the direction of force impact an object?

The direction of force can impact an object in various ways. If the force is applied in the same direction as the object's motion, it will speed up. If the force is applied in the opposite direction, it will slow down or stop. Additionally, the direction of force can also cause an object to change its direction of motion.

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