Default Title

Question (11)

QN003371

A particle moves 10 m east then 10 m west. Resultant displacement equals

(A) 20 m
(B) 10 m
(C) 0 m
(D) 5 m

Correct Answer: C

Explanation:

Link:

Report Error

Question (12)

QN003372

Motion along a curved path in two dimensions is called

(A) planar motion
(B) uniform motion
(C) translatory motion
(D) vibratory motion

Correct Answer: A

Explanation:

Link:

Report Error

Question (13)

QN003373

If velocity has components vx and vy, resultant velocity equals

(A) vx + vy
(B) √(vx² + vy²)
(C) vx − vy
(D) vx × vy

Correct Answer: B

Explanation:

Link:

Report Error

Question (14)

QN003374

A particle moves 8 m east and 15 m south. Resultant displacement equals

(A) 17 m
(B) 23 m
(C) 7 m
(D) 120 m

Correct Answer: A

Explanation:

Link:

Report Error

Question (15)

QN003375

Velocity in plane motion changes when

(A) magnitude changes only
(B) direction changes only
(C) magnitude or direction changes
(D) time stops

Correct Answer: C

Explanation:

Link:

Report Error

Question (16)

QN003376

A car moving around a circular track shows motion in a plane because

(A) speed constant
(B) direction continuously changes
(C) acceleration zero
(D) displacement zero

Correct Answer: B

Explanation:

Link:

Report Error

Question (17)

QN003377

If vx = 3 m/s and vy = 4 m/s, resultant velocity equals

(A) 5 m/s
(B) 7 m/s
(C) 12 m/s
(D) 1 m/s

Correct Answer: A

Explanation:

Link:

Report Error

Question (18)

QN003378

Direction of velocity for vx = 6 m/s and vy = 6 m/s makes angle

(A) 30°
(B) 45°
(C) 60°
(D) 90°

Correct Answer: B

Explanation:

Link:

Report Error

Question (19)

QN003379

Motion of a projectile is an example of

(A) one-dimensional motion
(B) motion in a plane
(C) oscillatory motion
(D) rotational motion

Correct Answer: B

Explanation:

Link:

Report Error

Question (20)

QN003380

When displacement components are perpendicular, resultant is found using

(A) addition rule
(B) Pythagoras theorem
(C) division rule
(D) averaging rule

Correct Answer: B

Explanation:

Link:

Report Error

Question (11)

A particle moves 10 m east then 10 m west. Resultant displacement equals

Explanation:

Link:

Question (12)

Motion along a curved path in two dimensions is called

Explanation:

Link:

Question (13)

If velocity has components vx and vy, resultant velocity equals

Explanation:

Link:

Question (14)

A particle moves 8 m east and 15 m south. Resultant displacement equals

Explanation:

Link:

Question (15)

Velocity in plane motion changes when

Explanation:

Link:

Question (16)

A car moving around a circular track shows motion in a plane because

Explanation:

Link:

Question (17)

If vx = 3 m/s and vy = 4 m/s, resultant velocity equals

Explanation:

Link:

Question (18)

Direction of velocity for vx = 6 m/s and vy = 6 m/s makes angle

Explanation:

Link:

Question (19)

Motion of a projectile is an example of

Explanation:

Link:

Question (20)

When displacement components are perpendicular, resultant is found using

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY