Solved Exercise Short Questions || Ch#3 Dynamics-l || 9th Physics || New Book || Federal Baoard

Assalam.o.alaikum!

Dear Students & Respected Physics Teachers..!!
Welcome back to my YouTube channel "Physics with Kiran Aslam"

Chapter#3 Dynamics-l
Exercise Short Questions/Answers

When a motor cyclist hit a stationary car, he may fly off the motor cycle and driver in the car may get neck injury. Explain

In autumn, when you shake a branch, the leaves are detached. Why?

Why it is not safe to apply brakes only on the front wheel of a bicycle?

Deduce Newton’s first law of motion from Newton’s second law of motion.

Action and reaction are equal but opposite in direction. These forces always act in pair. Do they balance each other? Can bodies move under action – reaction pair?

A man slips on the oily floor, he wants to move out of this area. He is alone. He throws his bag to move out of this slippery area. Why is it so?

How would you use Newton’s 3rd law of motion and law of conservation of momentum to explain motion of rocket?

Why are cricket batter gloves padded with foam?

Where will your weight be greater, near earth or near moon? What about mass?

When Ronaldo kicks the ball, at the highest point of ball both Earth and ball attract each other with the same magnitude of force. Why then the ball moves towards Earth and not the Earth?

Thanks for watching and stay tune with me..!!