a car of mass 1000kg moving with velocity of 45km/h collides with a tree and comes to a stop in 5sec. wht will be the force exerted by the car on the tree?
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a=v-u/t
v=0 m/s
t=5 secs
u=45 kmph=12.5 m/s
a= -2.5 m/s^2
F=ma
F= 1000*-2.5
F= - 2500 N
negative sign indicating the direction in which the force is applied
v=0 m/s
t=5 secs
u=45 kmph=12.5 m/s
a= -2.5 m/s^2
F=ma
F= 1000*-2.5
F= - 2500 N
negative sign indicating the direction in which the force is applied
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