Question

o the speed time graph of a car of
mass
thousand ng is given below.
from the graph answer the following.
is when is the maximum fonce acting on
the cay D why.
metarding force
His what is the
in
is there no
foy which time interude
force acting​

Answer 1

Answer:

Slope of speed (velocity) and time graph gives the acceleration.

Maximum force  acts on the body between 0 to 4 s since the body is in acceleration during this time interval.

Retarding force: F = m a = m (delta v / delta t ) = 1000 * (15-0) / (10-8) = 7500 N

No force is acting on the body for 4 s in the time interval between 4 s to 8 s.

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