GRAVITY Q3 W2

Who discovered Gravity?

• Isaac Newton

• Albert Einstein

• George Washington

• Thomas Edison

Where is gravitational force as you stand on the ground?

• sideward

• upward

• downward

• backward

_____ is the force that pulls objects towards the center of the earth.​

• FRICTION

• GRAVITY

• MASS

• WEIGHT

Answer explanation

GRAVITY IS THE FORCE OF THE EARTH.

Gravity is different from friction because it is a ______________ force.

Why is it difficult to climb upstairs than going down?

• becaquse friction is less

• because the floor is rough

• because gravity is pulling you down as you climb up

• because the stairs is not plane

Which of these objects will fall faster to the ground? Choose two..

• cotton ball

• a piece of paper

• bowling ball

• marble

What will happen to the ball if the boy will throw it upward?

• it will float

• it will become soft

• it will pop out

• it will fall down

What is the similarity of GRAVITY to FRICTION? Choose two reasons.

• they are both contact force

• They are both forces that acts on objects

• They are both non-contact force

• They can both change or affect the motion of moving object