1. What will hit first the ground if you throw 2 balls with the same size but with different weight at the same height and time ?

A. The heavier one will hit the ground first.

B. The lighter ball will hit the ground first.

C. None of the two balls will hit the ground.

D. Both will hit the ground at the same time.

2. Which force is so low that causes a man to slip and fall in a wet floor?

A. Air Resistance
B. Friction
C. Gravity
D. Motion

3. Which of the following shows the non-presence of friction?

A. Watching Television.

B. Lighting a matchstick

C. Writing on a chalkboard

D. Dusting a foot mat by beating it with a stick

4. Why is the Earth's gravity stronger than the Moon's gravity?

A. Because the Earth's gravitational pull affects the moon.

B. Because Earth's gravity has a lesser mass than the Moon's gravity

C. Because Earth's gravity is more massive than the Moon's gravity.

D. Because our moon is so much closer to the other planets than on Earth.

5. What happens to the speed of the skater when you increase the friction of the
skater?

A. The speed is not affected at all.

B. The skater's speed will decrease even if he doesn't stop.

C. The skater's speed increases until he is completely stopped.

D. The skater's speed decreases until he is completely stopped.​