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Key STEM Concepts

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

Force that resists motion through the rubbing of one object against another.

a)

Inertia

b)

Friction

c)

Energy

d)

Torque

2.

________ have a greater effect than ________ ones in determining where the center of gravity is.

a)

Heavier, lighter

b)

Lighter,Heavier

c)

Big objects, small

d)

Force, inertia

3.

_____________ is a way of measuring how fast and object is moving.

a)

Torque

b)

Power

c)

Speed

d)

Force

4.

Torque most often....

a)

rotates an object

b)

moves an object

c)

lifts an object

d)

spins an object

5.

Power is the ________ rate at which work is done.

a)

Way

b)

force

c)

rate

d)

speed

6.

Where is the weight of an object evenly distributed?

a)

Center of gravity

b)

center of item

c)

where it is holding something heavy

d)

where it is holding something light

7.

If an object has _____________ trying to cause motion, there is no friction.

a)

inertia

b)

work

c)

no applied force

d)

a person

8.

Center gravity uses both ________ and __________.

a)

weight

b)

position

c)

mass

d)

objects

e)

force

9.

What are the classical mechanics?

a)

Force, Mass and Center Gravity

b)

Friction, Force, Power

c)

Speed, Power, Force

d)

Speed, Power, Torque

10.

Speed and Torque have _______ relationship.

a)

inverse

b)

same

c)

different

11.

_______________ is the calculator of how much faster and easier a machine makes your work.

a)

Classical Mechanical

b)

Mechanical Advantage

c)

Torque

d)

Power