Force and pressure class 8th

A rocket has been fired upwards to launch a satellite in its Orbit name the forces acting downwards on the rocket immediately after leaving the launching pad

• Propelling force of gases emitted by combustion of fuel

• magnetic force of Earth

• gravitational force of Earth

• no force acting downwards

Tags

NGSS.MS-PS2-4

Identify the agent exerting the force while taking out paste from a toothpaste tube

• toothpaste tube

• toothpaste filled in the tube

• muscles of our fingers

• no force required

Which type of force is force of gravity

• contact force and attraction

• non contact force and attraction

• contact force and repulsive

• Non contact force and repulsive

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which of the following is a non contact force

• muscular force

• frictional force

• magnetic force

• mechanical force

Tags

NGSS.MS-PS2-5

pressure is defined as

• Force

• Force x distance

• force / area

• Force × area

SI unit of force is

• Pascal

• Newton

• Pascal/second

• Newton/second

A rocket has been fired upwards to launch a satellite in its Orbit name the forces acting downwards on the rocket immediately after leaving the launching pad

• Propelling force of gases emitted by combustion of fuel

• magnetic force of Earth

• gravitational force of Earth

• no force acting downwards

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2

which of the following is a contact force

• magnetic force

• Electrostatic force

• Gravitational force

• Friction force

Interactive force between two charged body is known as

• gravitational force

• Muscular force

• Electrostatic force

• Friction force

Tags

NGSS.MS-PS2-5

NGSS.MS-PS2-3

If we release a magnet held in our hand it falls to the ground the force responsible for this is

• magnetic force

• Electrostatic force

• Muscular force

• Gravitational force

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2