Fundamental Forces in Nature

The apple falls down due to the effect of ....................

• electromagnetic force

• Earth's gravitational force

• weak nuclear force

• strong nuclear force

Tags

NGSS.MS-PS2-4

If the mass of an object decreases to its half, the weight .....................

• increases to the double

• decrease to the half

• still constant

• no correct answer

Tags

NGSS.MS-PS2-4

................. is the scientist who discovered the Earth's gravitational.

• Planck

• Newton

• Archimedes

• Coulomb

Tags

NGSS.MS-PS2-1

The multiplying of object's mass by Earth's gravitational acceleration equals object's..............

• volume

• mass

• weight

• no correct answer

The weight of an object is measured in

• kilogram

• coulomb

• newton

• m/sec²

Tags

NGSS.MS-PS2-2

The idea of how the electromagnet works is to change .....................energy into .................... energy.

• mechanical - electric

• electric - magnetic

• electric - mechanical

• magnetic - mechanical

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

The weight of the object changes by changing its place on the Earth's surface.

• True

• False

The gravitational force of the Earth to the rocket increases as it moves away from it.

• True

• False

Tags

NGSS.MS-PS2-4

When a force acts on a moving body, the force may change its direction only.

• True

• False