Application of Fore and Tranfser of Energy #1

What are the two main types of forces?

• contact force and applied force

• nonconact force and tension force

• contact force and noncontact force

• contact force and frictional force

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A push or pull of an object is?

• Pressure

• Push-pull

• Force

• All of the above

Tags

NGSS.MS-PS2-1

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Force of friction always acts on moving objects and its direction shall be ____

• On any direction

• Along the direction of motion

• Perpendicular to the direction of motion

• Opposite to the direction of motion

An example of non-contact force

• Push a stationary car

• Hit a cricket ball for a 6 run

• Force exerted by a magnet

• Force exerted by us to lift a bucket

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NGSS.MS-PS2-5

Tsunamis - What does not belong

• The scariest thing about a tsunami is its wavelength.

• Tsunamis are about 1 meter in open waters because it is deep.

• In shallow waters waves can be up to 40m.

• A tsunami is a sea wave caused by high tide.

Tags

NGSS.MS-ESS3-2

A ball rolling on the ground slows down and finally stops. This is because of

• Less force applied

• Force

• Friction

• None of the above

What does weight measure?

• size

• mass

• force

• volume

In class we discussed interactions. What is "interactions"?

• transfer of energy between elementary particles, between a particle and a field, or between fields

• The relationship among the different forms of matter and the effects they have on each other.

• an occasion when two or more people or things communicate with or react to each other.

• Reciprocal action, effect, or influence.

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NGSS.MS-PS2-3

Which type of frition occurs between a paddle and the water?

• static friction

• sliding friction

• fluid friction

• rolling friction

Force can cause a ____

• a stationary object to start moving

• moving object to change speed

• moving object to change direction

• all of the above

Tags

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