If an automobile of mass m rounds a curve, then its inward vector component of acceleration a N N is caused by the frictional force F of the road. Thus, it follows from the vector form of Newton’s second law [Equation (19)] that the frictional force and the normal component of acceleration are related by the equation F = m a N N . Thus, F = m k d s d t 2 Use this result to find the magnitude of the frictional force in newtons exerted by road on a 500 kg go-cart driven at a speed of 10km/h around a circular track or radius 15m. [ N o t e : 1 N = 1 kg . m / s 2 . ]
If an automobile of mass m rounds a curve, then its inward vector component of acceleration a N N is caused by the frictional force F of the road. Thus, it follows from the vector form of Newton’s second law [Equation (19)] that the frictional force and the normal component of acceleration are related by the equation F = m a N N . Thus, F = m k d s d t 2 Use this result to find the magnitude of the frictional force in newtons exerted by road on a 500 kg go-cart driven at a speed of 10km/h around a circular track or radius 15m. [ N o t e : 1 N = 1 kg . m / s 2 . ]
If an automobile of mass m rounds a curve, then its inward vector component of acceleration
a
N
N
is caused by the frictional force F of the road. Thus, it follows from the vector form of Newton’s second law [Equation (19)] that the frictional force and the normal component of acceleration are related by the equation
F
=
m
a
N
N
.
Thus,
F
=
m
k
d
s
d
t
2
Use this result to find the magnitude of the frictional force in newtons exerted by road on a 500 kg go-cart driven at a speed of 10km/h around a circular track or radius 15m.
[
N
o
t
e
:
1
N
=
1
kg
.
m
/
s
2
.
]
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
Precalculus: Mathematics for Calculus (Standalone Book)
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