Welcome to your Kinematics - 4
1.
If acceleration is zero, motion is
2.
Acceleration is defined as
3.
Which equation is independent of time?
4.
Straight line x–t graph represents
5.
Instantaneous velocity is defined as
6.
Which graph gives acceleration directly?
8.
Instantaneous speed is
9.
Which equatioWhich equation gives displacement directly? n gives displacement directly?
10.
If acceleration is zero, equations reduce to
11.
Instantaneous speed can never be
12.
Acceleration opposite to velocity always results in
13.
The equations of motion are applicable when
14.
If velocity decreases uniformly, acceleration is
15.
If x = 5t², velocity at time t is
16.
Acceleration can be non-zero even when velocity is zero at
18.
Unit of instantaneous velocity is
19.
Negative acceleration indicates
20.
Curved x–t graph indicates
21.
Velocity at an instant from x–t graph is given by
22.
Acceleration is a vector because it has
23.
A particle has u = 10 m/s, a = –2 m/s². It stops after
24.
A body moving in circular path with constant speed has acceleration because
25.
Equation s = ut + ½at² is valid for
26.
A body starting from rest with acceleration a covers distance proportional to
27.
A particle starting from rest travels 20 m in 4 s. Acceleration is
28.
SI unit of acceleration is
29.
Instantaneous velocity can be zero at
30.
Which equation relates velocity and time?
31.
If u = 0 and a constant, velocity varies as
32.
Increasing slope of x–t graph means
33.
A straight line v–t graph parallel to time axis indicates
34.
Which equation is used when final velocity is not given?
35.
If u = v, acceleration must be
36.
Instantaneous acceleration is
37.
Area under v–t graph gives
38.
If v ∝ t, acceleration is
39.
Which equation is obtained from v–t graph?
40.
If v–t graph is a curve, acceleration is
41.
Dimensional formula of acceleration is
42.
If velocity is constant, acceleration is
43.
Which quantity can change without acceleration?
44.
Average acceleration is defined as
45.
Slope of v–t graph represents