What are Forces Quiz

Identify the definition of a force.

• A push or pull

• A change in direction

• An object that has mass

• A change in speed

Determine whether the following statement is true or false. A force always involves an interaction between two objects.

• True

• False

Learning goal 1: A force acts when a cyclist brakes at a set of traffic lights. Identify two effects of the force.

• It changes the shape of the bike

• It speeds up the bike

• It stops the bike

• It slows down the bike

What effect will the force arrow have on the tennis ball?

Magnetic Force is an example of ____________ force.

• contact

• non-contact

• balanced

• unbalanced

A student is asked to measure the force it takes to lift items of different weights in the classroom.

Determine which of the following statements is true.

• Lighter objects will require more force to lift

• All objects will take the same amount of force to lift

• Heavier objects will require more force to lift

What is the unit that is used to measure forces.

• Newton (N)

• Kilogram (kg)

• Gram (g)

• Spring balance

Movers needed to move a heavy box from the bottom of some stairs to the top of the stairs. They placed a ramp over the stairs and pushed the box up the ramp.

Which best explains why the movers used a ramp to move the box?

• The ramp reduced the amount of

  force needed to move the box.

• The ramp increased the height that

  the box needed to be moved.

• The ramp reduced the distance that

  the box needed to be moved.

• The ramp increased the amount of

  friction needed to move the box.

How does distance change the effort when using an inclined plane?

• as distance increases, effort decreases

• as distance decreases, effort decreases

• as distance increases, effort increases

• nothing, they both stay the same

Out of these which one is an inclined plane, that can make work most easier?

• 1
• 2
• both
• none