Question

20. A car of mass 1000 kg starts from rest and moves
100 m in 2 second under the action of a constant
force. The force acting on the car is
(1) 100 KN
(2) 50 KN
(3) 20 kN
(4) 25 kN​

Answer 1

Answer:

50kN

Explanation:

we know that force is equal to mass ×acceleration

mass is 1000 kg acceleration is v-u/t

so v is 100

u is o

t is 2

so acceleration is 50

hence m×a is 1000×50=50000

that means 50kN

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