Two people push on a boulder to try to move it. The mass of the boulder is 775 kg. One person pushes north with a force of 68 N.
1 answer:
The magnitude of the acceleration is 0.1038 m/s²
Explanation:
Net force is given by the square root of the sum of squares of the forces in y and x coordinates
Absolute Net Force will be;
However, Fnet can be calculated as the product of force and acceleration
Fnet=m*a
Fnet= 80.45 N
m= 775 kg
a=?
80.45=775*a
80.45/775= a
0.1038 m/s²=a
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Keywords : mass, force, magnitude, acceleration
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Answer:
smaller acceleration, so lower change in velocity
Explanation:
To answer this question we examine the equation that relates mass with force and with acceleration: .
Since we want to know what happens to the acceleration, we solve for it in the equation:
Notice that we are asked what happens when the force applied is the same, but now it is applied in an object with more mass (M).
We therefore would have to compare our initial form:
with the new one:
wher the denominator is a larger quantity, therefore making our division/quotient smaller. Then, we conclude that the acceleration will be smaller, and therefore the change in velocity of the object will be lower.
It's easy to roll the the basket ball than bowling ball
It is because bowling ball is solid spherical ball which will have less moment of inertia
its moment of inertia is given as
While for the hollow ball like basketball we know that moment of inertia is given as
so here we can see for the same mass if we take basketball then its moment of inertia is more so it is easy to roll basket ball then to roll bowling ball.
So it is easy to roll basket ball then rolling ball