CHAPTER 2: FREE FALL MOTION & INERTIA

A ball is thrown vertically upwards. Which of the following physical quantities remains unchanged

• Speed

• Velocity

• Acceleration

• Displacement

Tags

NGSS.MS-PS2-4

What is the velocity of the object just before it hits the ground

• 13.25 ms-1

• 15.17 ms-1

• 17.16 ms-1

• 21.20 ms-1

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1

The time interval between two consecutive images is 0.04 s. What is the acceleration of the ball?

• 8.9 ms-2

• 9.2 ms-2

• 9.5 ms-2

• 9.8 ms-2

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is the purpose of wearing seat belt?

• To increase the time impact

• To reduce the negative effect of inertia

• To increase the impulse

• To reduce the velocity

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Which statements explains the situations

• When the mass of the goods decreases, the inertia of the goods increases

• When the mass of the goods increases, the inertia of the goods increases

• When the mass of the goods increases, the inertia of the goods decreases

• When the mass of the goods decreases, the inertia of the goods decreases

Tags

NGSS.MS-PS2-2

Which of the following factors will affect the inertia of an object?

• Size of an object

• Volume of an object

• Area of an object

• Mass of an object

Tags

NGSS.MS-PS2-2

Which of the following vehicles has the lowest inertia?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-2

The passengers in a bus continue to move forward when the bus stop suddenly. Which physical quantity law explains the above situations?

• Free fall motion

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

What will happen to strings X and Y if the student pulls down the weight slowly?

• String X will snap

• String Y will snap

• Strings X and Y will snap

• Nothing happen to the strings X and Y

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which of the following statements is correct about the coconut?

• The coconut falls with increasing acceleration

• The coconut falls with uniform velocity

• The kinetic energy of the coconut decreases

• The coconut falls due to gravitational force only

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4