G5_SCI_W4

Which of the following statements is INCORRECT about force?

• Force is a push or a pull on an object or a body.

• Force can change the motion of an object.

• Force always cause an object to move.

• Force can change an object’s size and shape.

Exerting force to stretch a rubber band causes its _____ to change.

• motion

• size and shape

• direction

• None of the above.

The motion of an object or a body is the result of net force between two _____ forces.

• balanced

• even

• unbalanced

• equal

What is the force that opposes motion?

• applied force

• net force

• gravity

• frictional force

Which of the following statements is CORRECT about balanced forces?

• Balanced forces do not produce net force.

• Balanced forces change an object’s motion.

• Balanced forces cause an object at rest to move.

• Balanced forces are caused by unequal forces.

What is defined as a change in position in relation to a reference point?

• force

• acceleration

• speed

• motion

“A tricycle running 10 km/h towards the church” is an example of _____.

• speed

• acceleration

• velocity

• All of the above.

Which of the following statements shows acceleration due to the amount of force applied?

• A loaded truck slowly increases its velocity.

• Pushing a cart harder increases its velocity.

• The increasing load of a shopping cart causes it to slowly move faster.

• A truck easily moves faster after dropping its loads.

Which of the following statements is INCORRECT about motion?

• A car that decelerates speeds up.

• Motion implies a change in position.

• Motion is the result of two unbalanced forces.

• Motion can be described in terms of speed, velocity, and acceleration

When a player tosses a ball, he/she is exerts force which changes the _____ of the ball.

• motion

• size and shape

• direction

• None of the above.