Welcome to your Kinematics - 4
1.
If acceleration is zero, equations reduce to
2.
Instantaneous velocity is defined as
3.
If u = v, acceleration must be
4.
If velocity is constant, acceleration is
5.
Instantaneous speed is
6.
Which equation is obtained from v–t graph?
7.
Equation s = ut + ½at² is valid for
8.
A particle has u = 10 m/s, a = –2 m/s². It stops after
9.
The equations of motion are applicable when
10.
Which equation is used when final velocity is not given?
11.
Which quantity can change without acceleration?
12.
Which equation is independent of time?
13.
If v ∝ t, acceleration is
14.
Average acceleration is defined as
15.
If velocity decreases uniformly, acceleration is
16.
A particle starting from rest travels 20 m in 4 s. Acceleration is
17.
A body moving in circular path with constant speed has acceleration because
18.
Area under v–t graph gives
19.
If acceleration is zero, motion is
20.
Unit of instantaneous velocity is
21.
If u = 0 and a constant, velocity varies as
22.
Which graph gives acceleration directly?
23.
Velocity at an instant from x–t graph is given by
24.
Which equation relates velocity and time?
25.
Straight line x–t graph represents
26.
A straight line v–t graph parallel to time axis indicates
27.
Instantaneous velocity can be zero at
28.
Acceleration is a vector because it has
30.
A body starting from rest with acceleration a covers distance proportional to
31.
If v–t graph is a curve, acceleration is
32.
Negative acceleration indicates
33.
Slope of v–t graph represents
34.
Increasing slope of x–t graph means
36.
SI unit of acceleration is
37.
Instantaneous acceleration is
38.
Curved x–t graph indicates
39.
Acceleration is defined as
40.
Acceleration opposite to velocity always results in
41.
Acceleration can be non-zero even when velocity is zero at
42.
Which equatioWhich equation gives displacement directly? n gives displacement directly?
43.
Dimensional formula of acceleration is
44.
Instantaneous speed can never be
45.
If x = 5t², velocity at time t is