How is the acceleration of an object in newtons second law related to its mass and the net force on it?
2 answers:
Answer:
C) Acceleration is directly proportional to net force divided by mass.
Explanation:
As per Newton's 2nd law we know that net force on the object is product of mass and acceleration of the object
so we will have
F = ma
so here we can say that the force and mass of the object is directly depends on each other and the equation is just product of mass and acceleration.
So in order to find the acceleration we have
so we will have
C) Acceleration is directly proportional to net force divided by mass.
You might be interested in
Answer:
Explanation:
Density can be found by dividing the mass by the volume.
The mass of the quartz is 30 grams and the volume is 6 cubic centimeters.
Substitute the values into the formula.
Divide.
The density of this piece of quartz is 5 grams per cubic centimeter.
Answer:
D) momentum of cannon + momentum of projectile= 0
Explanation:
The law of conservation of momentum states that the total momentum of an isolated system is constant.
In this case, the system cannon+projectile can be considered as isolated, because no external forces act on it (in fact, the surface is frictionless, so there is no friction acting on the cannon). Therefore, the total momentum of the two objects (cannon+projectile) must be equal before and after the firing:
But the initial momentum is zero, because at the beginning both the cannon and the projectile are at rest:
So the final momentum, which is sum of the momentum of the cannon and of the projectile, must also be zero: