Question

A car starts from rest and accelerates uniformly for 10 seconds to attain a velocity of 20 metre per second if the mass of a car is 800 kg find the force exerted by the car​

Answer 1

Answer:

answer is 1600N

Explanation:

a=(v-u)/t

v=20 and u=0

t=10

Answer 2

Explanation:

u=0 v=20m/s t =10s

a=(v-u)/t

= 20/10=2m/s^2

m=800kg

Force =m *a

=800*2=1600kg m/s^2=1600N

=1.6kN

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