PS.5.2.1 (5.P.1.1) #3: Schoolnet

Front

What keeps Earth in orbit around the Sun?

Back

The Sun’s gravitational pull.

Front

What is a possible reason that one ball rolled faster than the other on identical inclined planes?

Back

One ball was sticky and the other ball was smooth.

Front

What force has the greatest effect on the Moon?

Back

The pull of gravity from Earth.

Front

What makes toy cars finally come to a stop on a sidewalk?

Back

Friction.

Front

What is gravity?

Back

A force that attracts two bodies towards each other.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What is the role of the Sun in the solar system?

Back

The Sun provides gravitational pull that keeps planets in orbit.

Front

What happens to an object in motion when no external forces act on it?

Back

It continues to move at a constant velocity.

Front

What is the effect of mass on gravitational pull?

Back

The greater the mass of an object, the stronger its gravitational pull.