Class 9 science - Chapter 9 laws of motion
Authored by Daison Jacob
Physics
9th Grade
Used 175+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The law of motion which is known as Law of inertia
First law
Second law
Third law
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The law of motion which is known as Law of conservation of momentum
First law
Second law
Third law
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The law which explains that the rate of change of momentum is directly proportional to the force applied
First law
Second law
Third law
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following will have a greater inertia if these are moving with the same velocity
2kg
4kg
5kg
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Launching of rocket is based on the principle of
First law
Second law
Third law
6.
OPEN ENDED QUESTION
3 mins • Ungraded
Explain why dust particles fall of a mat when we strike it with a stick
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7.
OPEN ENDED QUESTION
5 mins • Ungraded
If a an object of 2 kg falls from the top of a buildings strike a box at rest of 2kg with a velocity of 5m/s,and both fall together, find out the velocity with which both starts after collision
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