Generate Quiz 6A736C4012B40

1 / 10

A box of mass m = 6 kg slides with speed v = 4 m/s across a frictionless floor. It explodes into two pieces: one piece, with mass m1 = 2 kg move in the same direction with speed v1 = 8 m/s. Find the velocity of the second piece.

NTS 2013
Physics
Forces and Motion
Elastic and Inelastic Collisions
Elimination Tool:

A) 2 m/s

B) 4 m/s

C) 8 m/s

D) 9 m/s

2 / 10

A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m. If a force P is applied at the free end of the rope, the force exerted by the rope on the block is:

Physics
Forces and Motion
Newton’s Laws of Motion
Elimination Tool:

A) Option A

B) Option B

C) Option C

D) Option D

3 / 10

SI unit of impulse is:

Elimination Tool
Hints

A) kg ms-2

B) Ns

C) N s-1

D) Nm

4 / 10

A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m. If a force P is applied at the free end of the rope, the force exerted by the rope on the block is:

Question

Elimination Tool
Hints

A) Option A

B) Option B

C) Option C

D) Option D

5 / 10

If an object moves with constant velocity, then its acceleration is _____.

PMC Practice 34
Physics
Forces and Motion
Displacement, Velocity and Acceleration
Elimination Tool:

A) Zero

B) Non-zero

C) Infinite

D) None of these options are correct

6 / 10

A person, travelling on a motorway a total distance of 200 km,travels the first 90 km at an average speed of 80 km/hr. Which average speed must be obtained for the rest of the journey if the person is to reach the destination in a total time of 2 hours 0 minutes?

ETEA 2017
Physics
Forces and Motion
Displacement, Velocity and Acceleration
Elimination Tool:

A) 110 km/hr

B) 120 km/hr

C) 122 km/hr

D) 126 km/hr

7 / 10

The vectors A and B are such that |A + B| = |A – B|, then the angle between the two vectors is:

ETEA 2013
Physics
Scalars and Vectors
Basic Concepts of Vectors
Elimination Tool:

A) 00

B) 600

C) 900

D) 1800

8 / 10

Instantaneous velocity is defined as ___.

PMC Practice 22
Physics
Forces and Motion
Displacement, Velocity and Acceleration
Elimination Tool:

A) dx/dt

B) Δx/Δt

C) Δx.Δt

D) Δv/Δt

9 / 10

The paratrooper of mass 80 𝑘𝑔 descends vertically at a constant velocity of 3 𝑚 𝑠−1taking the acceleration of free fall as 10 𝑚 𝑠−2. Find out what is the net force acting on him?

ETEA 2018
Physics
Forces and Motion
Newton’s Laws of Motion
Elimination Tool:

A) Zero

B) 8.00 𝑁 upward

C) 8.00 𝑁 downward

D) 240 𝑁 downward

10 / 10

Which of the following is the angle of projection of a projectile if its range is equal to its height?

NUMS Mock 2
Physics
Forces and Motion
Elimination Tool:

A) 48

B) 60

C) 90

D) 76

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