EASY
9th Manipur Board
IMPORTANT
Earn 100

Why does the striker move through longer distances when some powder is sprinkled on a carrom board?

Important Questions on Force and Laws of Motion

MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 7 - Force and Laws of Motion>EXERCISES>Q 4
Explain Newton's laws of motion with examples.
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 7 - Force and Laws of Motion>EXERCISES>Q 5
Give an example to demonstrate Newton’s third law of motion.
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 7 - Force and Laws of Motion>EXERCISES>Q 6
Explain the meaning of inertia. Give appropriate examples to explain the inertia of rest and inertia of motion.
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 7 - Force and Laws of Motion>EXERCISES>Q 7
When you pull your arms back while catching a fast moving cricket ball, the chance of your hand getting hurt is less. Explain on the basis of Newton’s laws of Motion.
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 7 - Force and Laws of Motion>EXERCISES>Q 8
When a hung carpet is beaten with a stick, dust particles come out of it. Explain.
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 7 - Force and Laws of Motion>EXERCISES>Q 9
A truck starting from rest travels down a hill with a constant acceleration. It travels a distance of 300 metres in 15 sec. Calculate its acceleration. Find the force acting on it, if its mass is 10 metric tonnes. (1 metric tonne = 1000 kg)
EASY
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 7 - Force and Laws of Motion>EXERCISES>Q 10
A force of 15 N acts on a body of mass 0.5 kg. Find the acceleration of the particle in m s-2.
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 7 - Force and Laws of Motion>EXERCISES>Q 11
The velocity of a body of mass 125 g changes from 10 ms to 5 ms in 5 second. Assuming that a constant force acts on it, find the magnitude of the force.