Ch.1 Speed/accel
Ch.2 Forces
Ch.3 friction
Ch.4 Work and power
Ch.5 simple machines
100

a measure of how fast something moves throughout a time period

What is speed

100

A push or pull

what is Force
100

The force exerted on objects because of mass

What is gravity

100

The definition of work

what is when a force causes an object to move in the direction of the force applied

100

The pivot of a lever

Fulcrum

200

A quantity that has both size and direction

What is vector

200

The overall force acting on an object

What is net force

200

The force that keeps earth in orbit

What is gravity

200

The formula for work

What is   w=f x d

(work= force times distance)

200

An inclined plane wrapped around a pole.

What is a screw?

300

An objects location

position

300

Pictures that show the size and direction acting on an object

What is free body diagram

300

A person drops a bowling ball and a feather in a vacuum. What lands first?

They both land at the same time.

300

Give a example of someone NOT doing work

A person tries to push a box but can't

300

Mechanical advantage less than one

increases distance

400

? =d/t

speed

400

Forces that are equal in size and cancel each other out

What are balanced forces

400

The strongest type of friction

What is static friction

400

The formula for power

P= w/d

400

A wedge and lever

What are scissors?

500

The initial velocity is 5, The final velocity is 11

It took  3 seconds (time)    Acceleration=?

A= 2 m/s/s

500

Solve for force. A car accelerates at 10 m/s2 and weighs 12kg. What is the force?

 120N

500

The weakest friction

What is fluid friction

500

Solve this, A person pushes a toy car weighing 5N 2 meters. What is the work done? 

W= f x d

10 joules

500

A grooved wheel and axle with a rope 

What is pulley?