EASY

Earn 100

A child pulls a rope attached to a stone with a force of $60 N .$ The rope makes an angle of $60 °$ degrees to the ground. What is the effective force along the horizontal direction?

Important Questions on Statics

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

A boy is hanging from a horizontal branch of a tree. The tension in the arms will be maximum when the angle between the arms is

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

Two bodies of mass 4 kg and 6 kg are attached to the ends of a string passing over a pulley. The 4 kg mass is attached to the table by another string. The tension in this string

T_{1}

(g = 9 \cdot 8 m s^{- 2})

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

The maximum and minimum magnitudes of the resultant of two forces are

17

newton and

7

newton respectively, if these two forces are acting at right angle to each other, then the value of resultant of these forces in newton will be :

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

The sum of the magnitudes of two forces acting at a point is

16 N

. The resultant of these forces is perpendicular to the smaller force and has a magnitude of

8 N

. If the smaller force is of magnitude

x

, then the value of

x

is,

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

A block of mass $10 kg$ is suspended through two light spring balances as shown in the figure.

Question Image

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

A mass M kg is suspended by a weightless string. The horizontal force required to hold the mass at

60^{o}

with the vertical is

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

A balloon of gross weight $w$ Newton is falling vertically downward with a constant acceleration $a (< g)$ . The magnitude of the air resistance is (Neglecting buoyant force)

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

The strength of a force is usually expressed by its______.

HARD

Mathematics>Statics and Dynamics>Statics>Resultant and Component

Two forces

3 N

and

2 N

are at an angle

θ

such that the resultant is

R

. The first force is now increased to

6 N

and the resultant become

2 R

. The value of

θ

is:

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

If a

5 N

and a

15 N

forces are acting opposite to one another. Find the resultant force and the direction of action of the resultant force.

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

The engine of a car produces an acceleration of

6 m s^{- 2}

in the car. If this car pulls another car of the same mass, then the acceleration would be,

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

At the instant

t = 0,

a force

F = k t

(

k

is a constant) acts on a small body of mass

m

resting on a smooth horizontal surface. The time, when the body leaves the surface is

Question Image

MEDIUM

Mathematics>Statics and Dynamics>Statics>Resultant and Component

Two masses

m_{1} = 5 k g

and

m_{2} = 10 k g

, connected by an inextensible string over a frictionless pulley, are moving as shown in the figure. The coefficient of friction of horizontal surface is 0.15. The minimum weight m that should be put on top of

m_{2}

to stop the motion is:

Question Image

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

A body is under the action of two mutually perpendicular forces of 3 N and 4 N. The resultant force acting on the body is

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

A bird of weight

5 N

sits at the mid-point of a clothesline. The line is so distorted that it makes

30 °

angles with the horizontal at each end as shown in figure. The tension in the clothesline is :

Question Image

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

The square of resultant of two equal forces is three times their product. Angle between the forces is

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

Cotyledons are also called-

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

A body is said to be under balanced forces when the resultant force applied on that body is _______

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

An elevator weighing $6000 kg$ is pulled upward by a cable with an acceleration of $5 m s^{- 2}$ . The tension in the cable is, $(g = 10 m s^{- 2})$

EASY

Mathematics>Statics and Dynamics>Statics>Resultant and Component

Look at the diagram. Choose the best description of the total forces. (Lines with arrows indicate the forces and their directions)

Question Image

A child pulls a rope attached to a stone with a force of 60 N. The rope makes an angle of 60° degrees to the ground. What is the effective force along the horizontal direction?

Important Questions on Statics

Learn and Prepare for any exam you want !

A child pulls a rope attached to a stone with a force of $60 N .$ The rope makes an angle of $60 °$ degrees to the ground. What is the effective force along the horizontal direction?