Kinematics-Motion in a Plane (NEET Physics): Questions 1 - 5 of 15

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Question number: 1

» Kinematics » Motion in a Plane

MCQ▾

Question

from the top of a tower, a particle is thrown vertically downwards with a velocity of 10 m/s. The ratio of the distances, covered by it in the 3rd and 2nd seconds of the motion is (Take g = 10m/s2)

Choices

Choice (4) Response
a.

3: 6

b.

6: 3

c.

5: 7

d.

7: 5

Question number: 2

» Kinematics » Motion in a Plane

MCQ▾

Question

the effective acceleration of a body, when thrown upwards with acceleration a will be:

Choices

Choice (4) Response
a.

(a – g)

b.

ag2

c.

(a + g)

d.

a2g2

Question number: 3

» Kinematics » Motion in a Plane

MCQ▾

Question

Three different objects of masses m1, m2 and w3 are allowed to fall from rest and from the same point ‘O’ along three different frictionless paths. The speeds of the three objects, on reaching the ground, will be in the ratio of

Choices

Choice (4) Response
a.

1m1: 1m2: 1m3

b.

m 1 : m 2: m 3

c.

1: 1: 1

d.

m 1 : 2m 2: 3m 3

Question number: 4

» Kinematics » Motion in a Plane

MCQ▾

Question

A man throws balls with the same speed vertically upwards, one after the other at an interval of 2 seconds. What should be the speed of the throw so that more than two balls are in the sky at any time? (Given g = 9.8 m/s2)

Choices

Choice (4) Response
a.

At least 0.8 m/s

b.

Only with speed 19.6 m/s

c.

More than 19.6 m/s

d.

Any speed less than 19.6 m/s

Question number: 5

» Kinematics » Motion in a Plane

MCQ▾

Question

As shown in figure the tension in the horizontal cord is 30 N. The weight Wand tension in the string OA in newton are

Tension on the weight

Tension on the Weight

Tension on the weight

In above fig we show that tension acting on the cube of weight w and and tension in horizontal cord is 30 N.

Choices

Choice (4) Response
a.

30

3

, 60

b.

30

3

, 90

c.

30

3

, 30

d. None of the above

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