Welcome to your Kinematics - 4
1.
Unit of instantaneous velocity is
3.
Dimensional formula of acceleration is
4.
If u = v, acceleration must be
5.
The equations of motion are applicable when
6.
If velocity is constant, acceleration is
7.
Slope of v–t graph represents
8.
Average acceleration is defined as
9.
If u = 0 and a constant, velocity varies as
10.
A particle starting from rest travels 20 m in 4 s. Acceleration is
11.
Which graph gives acceleration directly?
12.
Acceleration is a vector because it has
13.
SI unit of acceleration is
14.
If v ∝ t, acceleration is
15.
Which equation is obtained from v–t graph?
16.
Which equatioWhich equation gives displacement directly? n gives displacement directly?
17.
Instantaneous acceleration is
18.
If acceleration is zero, motion is
19.
Instantaneous speed can never be
20.
Which quantity can change without acceleration?
21.
A body moving in circular path with constant speed has acceleration because
22.
Acceleration opposite to velocity always results in
23.
A body starting from rest with acceleration a covers distance proportional to
24.
Which equation is used when final velocity is not given?
25.
Instantaneous speed is
26.
Acceleration can be non-zero even when velocity is zero at
27.
Instantaneous velocity is defined as
28.
A straight line v–t graph parallel to time axis indicates
29.
If v–t graph is a curve, acceleration is
30.
Which equation relates velocity and time?
31.
Increasing slope of x–t graph means
32.
If x = 5t², velocity at time t is
33.
Curved x–t graph indicates
34.
Area under v–t graph gives
35.
If acceleration is zero, equations reduce to
36.
Negative acceleration indicates
37.
Straight line x–t graph represents
38.
Acceleration is defined as
39.
A particle has u = 10 m/s, a = –2 m/s². It stops after
40.
Which equation is independent of time?
41.
If velocity decreases uniformly, acceleration is
42.
Instantaneous velocity can be zero at
43.
Velocity at an instant from x–t graph is given by
44.
Equation s = ut + ½at² is valid for