# Lakhmir Singh Solutions Class 9 Physics Solutions for Exercise in Chapter 2 - Force and Laws of Motion

Question 93 Exercise

A boy of mass 50 kg standing on the ground exerts a force of 500 N on the ground. The force exerted by the ground on the boy will be:

a) 50 N

b) 25000 N

c) 10 N

d) 500 N

The correct answer is d) 500 N

Video transcript
"hey guys welcome to lido q a video i am vinit your leader tutor bringing you this question on your screen a boy of mass 50 kg standing on the ground exerts a force of 500 newton on the ground the force exerted by the ground on the body will be now what is given to us the mass is 50 kg and the force is 500 newton right this is the force exerted by the boy on the ground now by newton's second third law of motion the ground will exert equal and opposite force on the ball therefore 500 newton is the answer right if you still have a doubt though please leave a comment below do like the video and subscribe to our channel and see you in our next video until then bye kids keep learning"
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