Da physics

Which of these are a constant force

• Bom

• Friction

• Magnasium

• Gravity

• Meep

Answer explanation

A constant force is defined as the force applied in a constant manner on a particular object in a direction parallel to that of the direction of the acceleration produced in the body. As stated earlier, the constant force is directly proportional to that of acceleration produced in a body.

1 hour is equal to

• 60 minutes

• 360 seconds

• 60 seconds

• 24 hours

Motion of butterfly is

• Uniform motion

• Non uniform motion

Friction is more in

• Rough surface area

• Smooth surface area

• Oil surface area

• Ball bearings

Distance travelled in unit time is

• Speed

• Velocity

• Force

• Acceleration

Aeroplanes have a _________ shape to reduce friction.

• Flat

• Round

• Streamlined

• Spindle

Distance travelled in unit time is

• Speed

• Velocity

• Force

• Acceleration

One day equal to how many

• 24 hours

• 60 minutes

• 30 seconds

• 60 seconds

In which of the following friction is less

• smoothly polished marble

• Rubber

• Coin

• All the above

Friction is a

• Contact Force

• Non-Contact Force

• Electrostatic Force

• Magnetic Force