Laws of Motion (NEET Physics): Questions 114 - 116 of 116

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Question number: 114

» Laws of Motion » Law of Conservation of Linear Momentum

Appeared in Year: 2016

MCQ▾

Question

A bullet of mass Equation moving horizontally with a velocity of Equation strikes of wooden block of mass Equation which is suspended by a light inextensible string of length Equation . As a result the centre of gravity of the block is found to rise a vertical distance of Equation . The speed of the bullet after it emerges out horizontally from the block will be –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 115

» Laws of Motion » Force and Inertia

MCQ▾

Question

Two blocks Equation and Equation of masses Equation and Equation respectively are connected by a massless and inextensible string. The whole system is suspended by a massless spring as shown in figure. The magnitudes of acceleration of Equation and Equation immediately after the string is cut, are respectively,

Two blocks hanged on a spring

Two Blocks Hanged on a Spring

In figure two blocks of masses 3m and m, respectively, are hanged on a spring.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 116

» Laws of Motion » Equilibrium of Concurrent Forces

Appeared in Year: 2017

MCQ▾

Question

An arrangement of three parallel straight wires placed perpendicular to plane of paper carrying same current Equation along the same direction is shown in figure. Magnitude of force per unit length on the middle wire Equation is given by –

Three straight wires placed perpendicular

Three Straight Wires Placed Perpendicular

In figure three straight wires placed perpendicular to each other.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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