Welcome to your Kinematics - 4
1.
Acceleration is defined as
2.
Which equation relates velocity and time?
3.
Which equation is obtained from v–t graph?
4.
Unit of instantaneous velocity is
5.
Instantaneous acceleration is
6.
Which equatioWhich equation gives displacement directly? n gives displacement directly?
7.
Average acceleration is defined as
8.
Instantaneous speed is
9.
Area under v–t graph gives
10.
If acceleration is zero, equations reduce to
11.
Which equation is used when final velocity is not given?
12.
Straight line x–t graph represents
13.
A particle has u = 10 m/s, a = –2 m/s². It stops after
14.
If u = 0 and a constant, velocity varies as
15.
A straight line v–t graph parallel to time axis indicates
16.
Negative acceleration indicates
18.
Acceleration can be non-zero even when velocity is zero at
19.
Increasing slope of x–t graph means
20.
Curved x–t graph indicates
21.
If acceleration is zero, motion is
22.
If x = 5t², velocity at time t is
24.
A particle starting from rest travels 20 m in 4 s. Acceleration is
25.
SI unit of acceleration is
26.
Velocity at an instant from x–t graph is given by
27.
A body moving in circular path with constant speed has acceleration because
28.
Slope of v–t graph represents
29.
Instantaneous velocity can be zero at
30.
Which equation is independent of time?
31.
Acceleration opposite to velocity always results in
32.
Instantaneous speed can never be
33.
If v ∝ t, acceleration is
34.
A body starting from rest with acceleration a covers distance proportional to
35.
Instantaneous velocity is defined as
36.
If v–t graph is a curve, acceleration is
37.
Which quantity can change without acceleration?
38.
Which graph gives acceleration directly?
39.
If u = v, acceleration must be
40.
If velocity is constant, acceleration is
41.
Dimensional formula of acceleration is
42.
Acceleration is a vector because it has
43.
The equations of motion are applicable when
44.
If velocity decreases uniformly, acceleration is
45.
Equation s = ut + ½at² is valid for
