1 : When we kick a stone, we get hurt. This is due to:
A : (a) inertia
B : (b) velocity
C : (c) momentum
D : (d) reaction
2 : Which of the following is a non-contact force?
A : a)friction
B : b)air restance
C : c)electrostatic force
D : d) Tension in the string
3 : A ball with initial momentum p hits a solid wall and bounces back with the same velocity. Its momentum p ^ prime prime collision will be:
A : a)p=p
B : b)p=-p
C : c)p=2p
D : d)p=-2p
4 : A lubricant is usually introduced friction. The lubricant: between two surfaces to decrease
A : (a) decreases temperature
B : (b) acts as ball bearings
C : (c) prevents direct contact of the surfaces
D : (d) provides rolling friction
5 : An object will continue its motion with constant acceleration until:
A : (a) the resultant force on it begins to decrease.
B : (b) the resultant force on it is zero.
C : (c) the resultant force on it begins to increase.
D : D)the resultant force is at right angle to its tangential velocity.
6 : An object with a mass of 5 kg moves at constant velocity of 10 m s¹. A constant force then acts for 5 seconds on the object and gives it a velocity of 2 ms in the opposite direction. The force acting on the object is:
A : a)5n
B : b)-10n
C : c)-12n
D : d)-15n
7 : Conservation of linear momentum is equivalent to:
A : a)Newton,s first law of motion
B : b) newton,s second law of motion
C : c)newton,s third law of motion
D : d)non of these
8 : A large force acts on an object for a very short interval of time. In this case, it is easy to determine:
A : (a) magnitude of force
B : (b)time interval
C : (c) product of force and time
D : (d)none of these
9 : A particle of mass m moving with a velocity v collides with another particle of the same mass at rest. The velocity of the first particle after collision is:
A : a)v
B : b)-v
C : c)0
D : d)-1/2
10 : Force experienced
bay rope is :
A : Tension
B : Elastic
C : Normal
D : Air resistance
11 : What is the of G if F = G X m1m2/r2
A : 6.67x10^10Nm^2 kg^-2
B : 6.67x10^10Nm^2 kg^-2
C : 6.67x10^-11 Nm^2
kg-^2
D : 6.67x10^9Nm^2
kg-2
12 : An apple falling from a tree is an example of :
A : Gravitational force
B : Magnetic force
C : Elastic force
D : Weak and strong force
13 : Forces is not a contact force:
A : Drag
B : Thrust
C : Elastic
D : Gravitational
14 : Which force is responsible for the distergration of nucleus:
A : Strong nuclear
B : Electromagnet force
C : Gravitation force
D : Weak nuclear force
15 : Newton was born
in :
A : January 5, 1643
B : January 6,1643
C : January 4,1643
D : January 3,1643
16 : A Pakistani
Scientists Dr. Abduls Salam along with Sheldon Glashow and Steven Weinberg
were awarded in :
A : 1980
B : 1981
C : 1970
D : 1979
17 : The unit of
force is called:
A : Meter
B : Newton
C : Newton meter
D : Kilogram
18 : Which of the following relation is correct?
A : F=-ma
B : F=m-a
C : F=ma
D : F=ma
19 : 1 Newton = _________
A : 1 kgms-2
B : 1 kmgs
C : 1 kgm-1s-1
D : 1 kg -1m-1s-1
20 : The force between two object which are not is physical
contact in :
A : Contact
B : Friction
C : Non-contact
D : Drag
21 : The SL unit balance is used to measure:
A : Ns
B : Ns
C : N
D : kg
22 : Spring balance is used to measure:
A : Temperature
B : Weight
C : Mass
D : Length
23 : A mass of 6 kg moving with acceleration of 2ms-2
force acting on it is:
A : 12N
B : 10N
C : 8N
D : 3N
24 : Weigh is a :
A : Vector
B : Scalar
C : Vector and scalar
D : None of these
25 : Sl unit of mass is :
A : 1 kg
B : N
C : ms^-1
D : ms^-2
26 : Inertia depend upon:
A : Mass
B : Velocity
C : Displacement
D : Time
27 : Law of inertia
is also known as:
A : First law of motion
B : Second law of motion
C : Third law of motion
D : Momentum
28 : The property of a body maintain in state of rest or in
a straight line is called:
A : Force
B : Inertia
C : Momentum
D : Impulse
29 : Rubbing hands is an example of:
A : Inertia
B : Momentum
C : Impulses
D : Friction
30 : According to law of conservation of momentum recoil
velocity of gas:
A : v=mv/M
B : V= M/m x v
C : V=mV/M
D : V= M/m X V
31 : Force exerted by a liquid on an object is :
A : Friction
B : Drag
C : Thrust
D : Elastic
32 : Force that appear the motion of the moving object sis
called:
A : Momentum
B : Friction
C : Inertia
D : Impulses
33 : How many types forces have:
A : Four
B : Two
C : Three
D : Five
34 : The product system, the momentum after collision of
two bodies?
A : Momentum
B : force
C : Inertia
D : torque
35 : In isolated system , the
momentum after collision of two bodies:
A : Increases
B : Constant
C : Decrease
D : Zero
36 : How many types friction have?
A : two
B : three
C : four
D : five
37 : SL unit of momentum is :
A : Ns
B : 1 kgms-1
C : Newton
D : both a,b
38 : Total change in momentum of the object is called:
