Kuiz Fizik Tingkatan 5 Bab 1 Set 1

SELAMAT DATANG Kuiz Fizik Tingkatan 5 Bab 1 Set 1

KUIZ INI MENGANDUNGI 10 SOALAN

The elastic potential energy stored in a spring is 0.4 J when it is extended by 5 cm. What is the force required to cause this extension?

16 N

8 N

0.08 N

2 N

None

Which of the following describes the property of 'elasticity'?

The ability of a material to resist scratching and abrasion

The ability of an object to return to its original shape and size after a deforming force is removed

The ability of an object to deform permanently under an applied force.

The ability of a material to be stretched into a thin wire

None

A free-body diagram for a book resting on a horizontal table would show which of the following forces acting on the book?

The weight of the book and the force the book exerts on the table

Only the weight of the book acting downwards

Only the normal reaction force from the table acting upwars

The weight of the book and the normal reaction force from the table

None

According to Newton's Second Law, if a non-zero resultant force acts on an object, what is the state of the objects motion?

The object moves with a constant velocity

The object moves with a decreasing velocity at a constant rate

The object is at rest

The object is accelerating

None

The graph of force (F) versus extension (x) for a spring is plotted. What does the gradient of this graph represent?

The extension per unit force

The maximum force the spring can withstand

The spring constant, k

The work done in stretching the spring

None

Which of the following factors does NOT affect the spring constant of a coil spring?

The original length of the spring

The gravitational field strength where the spring is used

The material the spring is made from

The thickness of the spring’s wire

None

An object is subjected to two forces, 8 N and 6 N, acting in opposite directions along the same line. What is the magnitude and direction of the resultant force?

2 N in the direction of the 6 N force

2 N in the direction of the 8 N force

10 N in the direction of the N force

14 N in the direction of the 8 N force

None

What is the primary condition for an object to be in a state of equilibrium of forces?

There are no forces acting on the object

The object must be stationary

The resultant force acting on the object is zero

The forces acting on it are all equal in magnitude

None

Two identical springs are arranged in parallel and a load is hung from them. How does the extension of this system compare to the extension of a single spring with the same load?

The extension is double

The extension is four times as much.

The extension is the same

The extension is half

None

10.

Hooke's Law states that the extension of a spring is directly proportional to the applied force. What is the condition under which this law is valid?

As long as the spring is made of metal

If the elastic limit is not exceeded

Under all conditions of stretching or compression

Only if the force applied is a pulling force

None

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