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Kinematics-1D

135 Questions Start Errorless Test
All Exams Allen Advance Errorless
CBSE PMT 2003 Basic Level Q1 Errorless 8. Motion Under Gravity MCQ
The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man jumps to a height of 2m on the surface of A. What is the height of jump by the same person on the planet B
A.
18m
B.
6m
C.
$\frac{2}{3}m$
D.
$\frac{2}{9}m$
CPMT 2003 Basic Level Q2 Errorless 8. Motion Under Gravity MCQ
Two balls are dropped from heights h and 2h respectively from the earth surface. The ratio of time of these balls to reach the earth is
A.
$1 : \sqrt{2}$
B.
$\sqrt{2} : 1$
C.
2 : 1
D.
1 : 4
MP PET 2002 Basic Level Q3 Errorless 2. Speed and Velocity MCQ
The ratio of the numerical values of the average velocity and average speed of a body is always
A.
Unity
B.
Unity or less
C.
Unity or more
D.
Less than unity
MP PMT 2002 Basic Level Q4 Errorless 8. Motion Under Gravity MCQ
A body falling from a high Minaret travels 40 meters in the last 2 seconds of its fall to ground. Height of Minaret in meters is (take $g = 10m / s^2$ )
A.
60
B.
45
C.
80
D.
50
Kerala PMT 2002 Basic Level Q5 Errorless 8. Motion Under Gravity MCQ
A cricket ball is thrown up with a speed of $19.6 \, ms^{-1}$ . The maximum height it can reach is
A.
9.8 m
B.
19.6 m
C.
29.4 m
D.
39.2 m
AIIMS 2002 Basic Level Q6 Errorless 8. Motion Under Gravity MCQ
Three different objects of masses $m_1, m_2$ and $m_3$ are allowed to fall from rest and from the same point 'O' along three different frictionless paths. The speeds of the three objects, on reaching the ground, will be in the ratio of
A.
$m_1: m_2: m_3$
B.
$m_1: 2m_2: 3m_3$
C.
$1: 1: 1$
D.
$\frac{1}{m_1}: \frac{1}{m_2}: \frac{1}{m_3}$
Kerala (Engg.) 2001 Basic Level Q7 Errorless 2. Speed and Velocity MCQ
A particle moves along a semicircle of radius 10m in 5 seconds. The velocity of the particle is
A.
$2\pi ms^{-1}$
B.
$4\pi ms^{-1}$
C.
$2 ms^{-1}$
D.
$4 ms^{-1}$
CBSE PMT 2001 Basic Level Q8 Errorless 2. Speed and Velocity MCQ
A 150 m long train is moving with a uniform velocity of 45 km/h. The time taken by the train to cross a bridge of length 850 meters is
A.
56 sec
B.
68 sec
C.
80 sec
D.
92 sec
MP PMT 2001 Basic Level Q9 Errorless 3. Acceleration MCQ
A particle moves along a straight line such that its displacement at any time t is given by $s = t^{3} - 3t^{2} + 2$ meter. The displacement when the acceleration becomes zero is
A.
0 meter
B.
2 meter
C.
3 meter
D.
- 2 meter
DCE 2001; AIIMS 2002 Advance Level Q10 Errorless 5. Velocity Time Graph MCQ
A particle starts from rest, accelerates at $2 \, m/s^{2}$ for 10s and then goes for constant speed for 30s and then decelerates at $4 \, m/s^{2}$ till it stops. What is the distance travelled by it
A.
750 m
B.
800 m
C.
700 m
D.
850 m
UPSEAT 2001 Basic Level Q11 Errorless 8. Motion Under Gravity MCQ
A particle when thrown, moves such that it passes from same height at 2 and 10s, the height is
A.
g
B.
2g
C.
5g
D.
8g
DCE 2000 Basic Level Q12 Errorless 1. Distance and Displacement MCQ
A body moves 6 m north. 8 m east and 10 m vertically upwards, what is its resultant displacement from initial position
A.
$10\sqrt{2}m$
B.
10m
C.
$\frac{10}{\sqrt{2}}m$
D.
$10\times2m$
BHU 2000 Basic Level Q13 Errorless 3. Acceleration MCQ
A body is moving according to the equation $x = at + bt^{2} - ct^{3}$ where x = displacement and a, b and c are constants. The acceleration of the body is
A.
$a + 2bt$
B.
$2b + 6ct$
C.
$2b - 6ct$
D.
$3b - 6ct^{2}$
MP PMT 2000; RPET 2001 Basic Level Q14 Errorless 6. Equation of Kinematics (uniform Acceleration) MCQ
A body of 5 kg is moving with a velocity of 20 m/s. If a force of 100 N is applied on it for 10s in the same direction as its velocity, what will now be the velocity of the body
A.
200 m/s
B.
220 m/s
C.
240 m/s
D.
260 m/s
CBSE PMT 2000; AFMC 2001 Basic Level Q15 Errorless 6. Equation of Kinematics (uniform Acceleration) MCQ
A particle is constrained to move on a straight line path. It returns to the starting point after 10 sec. The total distance covered by the particle during this time is 30 m. Which of the following statements about the motion of the particle is false
A.
Displacement of the particle is zero
B.
Average speed of the particle is 3 m/s
C.
Displacement of the particle is 30 m
D.
Both
EAMCET (Engg.) 2000 Basic Level Q16 Errorless 6. Equation of Kinematics (uniform Acceleration) MCQ
A constant force acts on a body of mass 0.9 kg at rest for 10s. If the body moves a distance of 250 m, the magnitude of the force is
A.
3N
B.
3.5N
C.
4.0N
D.
4.5N
AIIMS 2000; CBSE PMT 2002 Basic Level Q17 Errorless 8. Motion Under Gravity MCQ
From the top of a tower, a particle is thrown vertically down wards with a velocity of 10 m/s. The ratio of the distances covered by it in the $3^{rd}$ and $2^{nd}$ seconds of the motion is (Take $g = 10 \, m/s^{2}$ )
A.
5:7
B.
7:5
C.
3:6
D.
6:3
EAMCET (Engg.) 2000 Basic Level Q18 Errorless 8. Motion Under Gravity MCQ
A body thrown vertically upwards with an initial velocity u reaches maximum height in 6 seconds. The ratio of the distances travelled by the body in the first second and the seventh second is
A.
1:1
B.
11:1
C.
1:2
D.
1:11
RPET 2000; KCET (Engg./Med.) 2001; DPMT 2001 Basic Level Q19 Errorless 8. Motion Under Gravity MCQ
A body is thrown vertically upwards. If air resistance is to be taken into account, then the time during which the body rises is
A.
Equal to the time of fall
B.
Less than the time of fall
C.
Greater than the time of fall
D.
Twice the time of fall
RPET 1999 Basic Level Q20 Errorless 6. Equation of Kinematics (uniform Acceleration) MCQ
Two cars A and B are at rest at same point initially. If A starts with uniform velocity of 40 m/sec and B starts in the same direction with constant acceleration of $4 \, m/s^{2}$ , then B will catch A after how much time
A.
10 sec
B.
20 sec
C.
30 sec
D.
35 sec
RPMT 1999 Basic Level Q21 Errorless 8. Motion Under Gravity MCQ
Time taken by an object to reach the height of $h_{1}$ and $h_{2}$ is respectively $t_{1}$ and $t_{2}$ then the ratio of $t_{1}$ to $t_{2}$ is
A.
$h_{1}:h_{2}$
B.
$\sqrt{h_{1}}:\sqrt{h_{2}}$
C.
$h_{1}:2h_{2}$
D.
$2h_{1}:h_{2}$
AFMC 1999 Basic Level Q22 Errorless 8. Motion Under Gravity MCQ
A stone is thrown with an initial speed of 4.9 m/s from a bridge in vertically upward direction. It falls down in water after 2 sec. The height of the bridge is
A.
4.9 m
B.
9.8 m
C.
19.8 m
D.
24.7 m
SCRA 1998; DCE 2000 Basic Level Q23 Errorless 5. Velocity Time Graph MCQ
An object is moving with a uniform acceleration which is parallel to its instantaneous direction of motion. The displacement (s) -velocity (v) graph of this object is
A.
B.
C.
D.
SCRA 1998 Basic Level Q24 Errorless 6. Equation of Kinematics (uniform Acceleration) MCQ
If a train travelling at 72 kmph to be brought to rest in distance of 200 metres, then its retardation should be
A.
$20 ms^{-2}$
B.
$10 ms^{-2}$
C.
$2 ms^{-2}$
D.
$1 ms^{-2}$
CBSE PMT 1998, 99; AFMC 2000; JIPMER 2001, 02 Basic Level Q25 Errorless 6. Equation of Kinematics (uniform Acceleration) MCQ
A car moving with a speed of 40 km/h can be stopped by applying brakes after at least 2 m. If the same car is moving with a speed of 80 km/h, what is the minimum stopping distance
A.
8 m
B.
2 m
C.
4 m
D.
6 m