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Richard Grimes

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Term1/7
A bicycle is an example of what machine
Definition1/7

A bicycle is an example of a complex machine, consisting of interacting simple machines.

Term1/7
What factor prevents a machine from operating at 100 percent efficiency
Definition1/7

Friction((:

Term1/7
A 45 kg skater is skating down a hill on roller blades at a a speed of 10 ms what is the kinetic energy of the skater
Definition1/7

2,250 joules

Term1/7
A force of 20 N gives a ball an acceleration of 4.0 ms on a level frictionless surface what is the mass of the ball
Definition1/7

F=ma

m=F/a

m=20/4.0

m=5Kg

Term1/7
How many joules of work are done when a 20 newton box is lifted 5 meters off of the floor
Definition1/7

100

Term1/7
A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor To lift the engine fi
Definition1/7

250 newtons

A+ Answers

Term1/7
A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. value of fo
Definition1/7

What is the value of fo?

2000 newtons

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Cards in this guide (7)
A bicycle is an example of what machine

A bicycle is an example of a complex machine, consisting of interacting simple machines.

What factor prevents a machine from operating at 100 percent efficiency

Friction((:

A 45 kg skater is skating down a hill on roller blades at a a speed of 10 ms what is the kinetic energy of the skater

2,250 joules

A force of 20 N gives a ball an acceleration of 4.0 ms on a level frictionless surface what is the mass of the ball

F=ma

m=F/a

m=20/4.0

m=5Kg

How many joules of work are done when a 20 newton box is lifted 5 meters off of the floor

100

A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor To lift the engine fi

250 newtons

A+ Answers

A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. value of fo

What is the value of fo?

2000 newtons

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