Motion

Which of the following activities shows pushing force?

• tearing paper

• playing tug-of-war

• opening refrigerator

• pressing sponge

Which is the BEST example of gravity?

• A car hits the tree, and its motion stops.

• A breeze blows and the sailboat moves.

• A person drops a ball, and it falls on the ground.

• A book is pushed, and it moves across the table.

What will happen to an object when we exert too much force?

• It will break the object.

• It will change its mass

• It will form new product.

• It will change its composition.

What is needed for an object to move?

• heat

• force

• motion

• movement

What will happen to the speed of an object if you will apply a greater amount of force on it?

• the object will move slower

• the object will move faster

• the object will stop from moving

• the object will be at the same speed

Which of the following statements describes gravity?

• It is the force that acts in the opposite direction of the applied force.

• It is the force that pulls objects toward the center of the Earth.

• It is the force that makes objects float in the air.

• It is the force that attracts magnetic materials.

What is a change in position relative to a reference point?

• direction

• motion

• distance

• speed

Which of the following is a standard unit of distance in the International System of unit?

• feet

• inch

• meter

• mile

Why is it harder to push a cart filled with bowling balls than it is to push cart filled with basketballs?

• The mass of the cart is greater than the mass of the basketballs.

• The mass of the bowling balls is greater than the mass of the basketballs.

• The cart with the basketballs is bigger than the cart with the bowling balls.

• The mass of the cart is and the mass of the basketballs are equal.

How can you tell if an object is in motion?

• The object will change its color.

• I’ll be able to see the forces.

• It will remain in the same position.

• Its position will change in relation to other objects.