12. A 150-N crate is resting on a ramp that is
inclined at an angle of 10° to the horizontal..
a) Resolve the weight of the crate into
rectangular vector components that keep it
at rest.
b) Describe these components so that a
non-math student could understand them.

the bottom of the spinner is not flat.

step-by-step explanation:

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b

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answer: give more info

step-by-step explanation: