Welcome to your PHY SET- 7
1.
Projectile: range R, max height H ⇒ R = ?
2.
Particle moving in a circle, speed constant. Which is true?
3.
Which quantity always remains constant in circular motion?
4.
Which quantity can be scalar?
5.
Velocity vector at highest point of projectile?
6.
In circular motion, acceleration is:
7.
Which pair of physical quantities are both vectors?
8.
In vector product A × B, the result is...
9.
A vector has components Ax = 3, Ay = 4 ⇒ magnitude?
10.
Work is maximum when angle between F and d is:
11.
Scalar product is zero when angle is:
13.
What is angle between A = i + j and B = i – j?
14.
A projectile reaches height H and covers range R ⇒ relation:
15.
Displacement after 1 complete circular motion?
16.
Projectile covers max vertical distance in min time when angle with vertical is?
17.
Ball falls from train window moving at velocity v. What path does it follow (seen from train)?
18.
KE of pendulum at top when v = √(5gl)?
19.
Object in circular motion at x = –2m; what is velocity & acceleration?
20.
Projectile fired with speed u at angle θ. PE at highest point?
21.
Two bullets fired at 60° and 30° hit ground at same horizontal distance. Max height ratio?
23.
Position vectors a + b, a – b, a + kb are collinear ∀ k?
24.
Cyclist doubles speed on a curve. What happens to overturning tendency?
25.
Which quantities are polar vectors?
26.
For circular motion of radius r and speed v, radial acceleration is?
27.
A → B → C → A forms a triangle. Vector sum A + B + C = ?
28.
What is the angle between two vectors whose scalar and vector products are equal?
29.
Radius = 2 m, speed = 4 m/s ⇒ radial acceleration?
30.
Which is a true scalar quantity?
31.
Max height = 5 m ⇒ speed at top?
32.
Which expression gives maximum value when angle between A & B = 0°?
33.
Position vector of particle = r, linear velocity = v. Angular momentum = ?
34.
Range of projectile = 4H ⇒ angle of projection?
35.
Vector perpendicular to both i and j?
36.
KE of projectile at highest point?
37.
Velocity and acceleration in uniform circular motion are...
38.
Unit of vector product of velocity and force?
40.
Vectors A and B have the same magnitude and the angle between them is 120°. What is the magnitude of A + B?
41.
Work done by centripetal force in one full revolution?
42.
If angle between vectors is 90°, then...
43.
Vector A = i + 2j + 2k and B = 2i + 3j – k ⇒ A · B = ?
44.
Which is a scalar quantity?
45.
If A and B are vectors, then A · B = ?
