Welcome to your Kinematics - 4
1.
If u = v, acceleration must be
2.
Acceleration is a vector because it has
3.
Which equation is used when final velocity is not given?
4.
A body moving in circular path with constant speed has acceleration because
5.
Instantaneous velocity can be zero at
6.
Acceleration opposite to velocity always results in
7.
Unit of instantaneous velocity is
8.
Which quantity can change without acceleration?
9.
Slope of v–t graph represents
10.
Area under v–t graph gives
11.
Acceleration can be non-zero even when velocity is zero at
12.
Which equation is obtained from v–t graph?
13.
Curved x–t graph indicates
15.
Velocity at an instant from x–t graph is given by
16.
Straight line x–t graph represents
17.
Which graph gives acceleration directly?
18.
Instantaneous velocity is defined as
19.
Instantaneous speed can never be
20.
Equation s = ut + ½at² is valid for
21.
If acceleration is zero, equations reduce to
22.
If u = 0 and a constant, velocity varies as
23.
SI unit of acceleration is
25.
If velocity is constant, acceleration is
26.
If acceleration is zero, motion is
27.
Acceleration is defined as
28.
Which equatioWhich equation gives displacement directly? n gives displacement directly?
29.
Which equation relates velocity and time?
30.
A body starting from rest with acceleration a covers distance proportional to
31.
Average acceleration is defined as
32.
Instantaneous speed is
33.
Dimensional formula of acceleration is
34.
The equations of motion are applicable when
35.
If velocity decreases uniformly, acceleration is
36.
A straight line v–t graph parallel to time axis indicates
37.
Which equation is independent of time?
38.
If x = 5t², velocity at time t is
39.
Increasing slope of x–t graph means
40.
Instantaneous acceleration is
41.
If v ∝ t, acceleration is
42.
A particle starting from rest travels 20 m in 4 s. Acceleration is
43.
A particle has u = 10 m/s, a = –2 m/s². It stops after
44.
Negative acceleration indicates
45.
If v–t graph is a curve, acceleration is
