Work Force and Motion

Front

What is the direction of the frictional force when a mover pushes a box to the right with a force of 25 N?

Back

To the left.

Front

What is a pulley?

Back

A simple machine that changes the direction of a force exerted, making work easier.

Front

What is the formula for finding distance?

Back

Front

If a polar bear swims at a speed of 2.6 m/s for 120 seconds, what distance does it cover?

Back

312 m.

Front

What is the formula for power?

Back

Front

How much power is needed to complete 400,000 Joules of work in 100 seconds?

Back

400 J/s.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What is a lever?

Back

A simple machine that can change the amount of force needed to lift an object.

Front

What is velocity?

Back

The speed of an object in a specific direction.

Front

What is the relationship between force and motion?

Back

Force causes an object to move or change its motion.