ICSE/ISC Std 9 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in


English I
Economics
Computer Application
Physics
Chemistry
Biology
Mathematics
History & Civics
Geography
English II

Back to home

Start Practice

Question-1 If a force of 10N is applied to a body of weight 5N then the acceleration of body is

(A) 2m\|sec²	(B)9.8m\|sec²
(C)19.6\|sec²	(D)None of these

Question-2
When the glass vessels fall on a hard floor they break, but they do not break when the fall on a carpet or sand. Which law is used?

(A) Newton's 1^st law	(B) Newton's 2^nd law
(C) Newton's 3^rd law	(D) law of conservation of momentum

Question-3 A helicopter of mass 1000kg rises with a vertical acceleration of 15ms^-2. The crew and the passenger weigh 300kg. The magnitude of the action of the rotor of the helicopter on the surrounding air.

(A) 3.25 x 10⁴N	(B)0
(C)5 x 10⁴N	(D)None of these

Question-4 A bullet of mass 0.006kg traveling at 120m|sec penetrates deeply into a fixed target and is brought to rest in 0.01 sec. The distance through which it penetrates the target is

(A) 3cm	(B)6cm
(C)30cm	(D)60cm

Question-5
The motion of rocket is an example for which law.

(A) Newton's 1st law	(B) Newton's 2nd law
(C) Newton's 3rd law	(D) Law of conservation of momentum.

Question-6
Write relationship between force, mass and acceleration

(A)	(B) F = ma
(C)	(D) F = ma²

Question-7
A bat man hits back a small straight in the direction of the bowler without changing its initial speed of 12ms^-1 of the mass of the ball is 0.15kg determine the impulse impacted to the ball.

(A) 3 Ns	(B) 3.2 Ns
(C) 5 Ns	(D) 3.6 Ns

Question-8
A cricket ball of mass 100g moving with a speed of 30ms^-1 is brought to rest by a player in 0.03s. The change in momentum of ball is

(A) -3.0 kgms^-1	(B) 0
(C) 2kgms^-1	(D) none of these

Question-9
A body weighs most

(A) at the earths surface	(B) above the earths surface
(C) inside the earth	(D) at the centre of earth

Question-10 A constant force of 4gwt acting on a body produces in it a velocity of 20 cm|sec in 5sec. If the body starts from rest, then its mass is [g = 980cm|sec²]

(A) 9.8g	(B)980g
(C)4.9g	(D)49g

Click here to see your answersheet and detailed track records.

Std 9

ICSE/ISC

Practice in Related Chapters
Measurement and Experiment
Fluids
Heat
Motion in One Dimension
Laws of Motion
Static Electricity and Current Electricity
Magnetism
Light
Floatation and Relative Density
Propagation of Sound Waves

CONTENTS

Back to home

Start Practice

Practice in Related Chapters