Question

a motor car is moving with velocity of 90 km per hour and if take 4 second to stop after the break a reply calculate the force exerted by the brake on the motorcycle if its mass along with the passenger is 1000 kg

Answer 1

V=90km/h=90*5/18=25m/s
T=4s
M=1000 kg
F=m*a
F=1000*25_0/4
F=1000*25/4
F=6250N

Answer 2

Explanation:

Here, initial velocity,

<br> time taken,

s, final velocity ,

, force,

total mass,

<br> As

☹