MCAT Physics Chpter-2+3, MCAT Physics Chpter-2+3

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1.	Addition of vectors obeys…….law
	a)	Commutative	b)	Associative	c)	Distributive	d)	All
2.	A vector can be multiplied by a scalar ,the scalar may be
	a)	Dimensional	b)	Dimensionless	c)	Both can be	d)	None of these
3.	The resultant of two forces of equal magnitudes is also equal to them when they lies at an angle of
	a)	450	b)	900	c)	1200	d)	None of these
4.	If A=B which of the following is not correct
	a)	A.B=A^.B^	b)	|A|=|B|	c)	|A^|=|B^|	d)	None of these
5.	Torque  of  a force will be same along different axis of rotation, the statement is
	a)	False	b)	Correct	c)	Both can be	d)	None of these
6.	Magnitude of dot and cross product of two vectors is equal , the angle between them is
	a)	45	b)	76	c)	30	d)	60
7.	If forces acting on a body form closed polygon then body will be in
	a)	Translational equilibrium	b)	Rotational equilibrium	c)	Complete equilibrium	d)	Not in equilibrium
8.	Addition of vectors depends upon
	a)	Magnitude of vectors	b)	Angle between them	c)	Both	d)	None of these
9.	Torque due to weight of a body will be zero if pivot point is
	a)	Up than centre of gravity	b)	Below the centre of gravity	c)	Centre of gravity	d)	None of these
10.	Concurrent forces  produce
	a)	Maximum acceleration	b)	Minimum acceleration	c)	Zero acceleration	d)	None of these
11.	Multiplication of vector and scalar can produce
	a)	Vector only	b)	Scalar only	c)	both	d)	None of these
12.	Reverse process of composition of vector is
	a)	Resolution	b)	Addition	c)	Subtraction	d)	All true
13.	Two vectors have magnitude 10,8 their resultant cannot be
	a)	15	b)	18	c)	0	d)	2
14.	Half of the magnitude of cross product represents area of
	a)	Parallelogram	b)	Triangle	c)	Rectangle	d)	Pentagon
15.	Force applied on a moving charge particle by magnetic field can be calculated by
	a)	Dot product	b)	Cross product	c)	With both	d)	none

16.	Two states of a body can be with respect to
	a)	One observer	b)	More than one observer	c)	Can never be		d)	None of these
17.	Closest distance between two points is
	a)	Straight line	b)	Elliptical	c)	Any curved path		d)	All possible
18.	Which velocity cannot give  information about variation of velocity throughout displacement
	a)	Average	b)	Instantaneous	c)	Both		d)	none
19.	At certain time v=0 but have acceleration. is this possible?
	a)	Yes	b)	No	c)	May or may not		d)	none
20.	Slope of velocity time graph is
	a)	Positive	b)	Negative	c)	d)	Both can be
21.	Velocity time graph cannot be in………quadrant
	a)	2nd	b)	4th	c)	Both		d)	In both can be
22.	A non accelerated frame of reference is
	a)	Inertial	b)	Non inertial	c)	Both can be		d)	none
23.	An isolated system cannot have
	a)	External forces	b)	Internal forces	c)	Both		d)	Both have
24.	A moving body ……..impulse
	a)	Have	b)	Does not have	c)	Both possible		d)	None of these
25.	A projectile have ……….constant velocity
	a)	Horizontal	b)	Vertical	c)	Both		d)	No one
26.	When two bodies collide they transfer
	a)	Momentum	b)	Energy	c)	both		d)	None
27.	Starting from 45 angle of projection, it is increasing then
	a)	R and H increasing			b)	R increasing H deceasing
	c)	R decreasing H increasing			d)	R and H decreasing
28.	Fuel of rocket is in the form of
	a)	Liquid	b)	Solid	c)	Both can be		d)	No fuel is used
29.	Velocity and acceleration cannot be
	a)	Parallel	b)	Anti parallel	c)	Perpendicular		d)	All are possible cases
30.	Sum of momentums of bullet and gun after firing should be
	a)	Zero	b)	Not zero	c)	Maximum		d)	Minimum