8th T3L1 Describing Motion and Force quiz

Suppose a bulldozer is being hauled on the back of a flatbed truck at 50

km/h to a construction site. From which reference point would the

bulldozer not appear to be moving?

• the road

• a traffic light

• the truck driver

• a roadside tree

Carmen is helping load furniture and boxes onto a moving truck. She

picks up boxes of her things, places them on a cart, and pushes the cart

to the moving van. Which term best describes the type of force Carmen

is using?

• noncontact

• gravity

• friction

• contact

which direction will the block move?

• right

• wont move

• left

• up

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what is the net force of the air plane

• 700

• 800

• 760

• 840

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according to Newtons law of inertia an object that is moving

• will eventually stop moving because it will not have enough force

• will keep moving until unless acted on by another force

• will keep moving if it has enough power

• will stop moving but will start moving again

when you throw a baseball and it hits the ground and eventually stops what two forces cause it to stop

• kinetic energy

• gravity

• static electricity

• friction

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the state in which one objects distance from another is changing

• transportation

• teleportation

• force

• motion

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in order for an object to move the force used on it must be

• unbalanced

• a lot

• balanced

• 2 times more than the force against it

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Zack is riding on his motorcycle and hits a fallen tree in the road. Zack goes flying off the motorcycle into the bushes because of__________

• unequal force

• gravity

• inertia

• friction

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What happens to an object when the forces acting on it are balanced?

• It moves in the direction of the stronger force

• It does not move

• It moves in a random direction

• It moves in the direction of the weaker force