How is a joule defined?(1 point)
Responses
It is the force needed to make an object with a mass of 1 kilogram accelerate by 1 kilogram per second squared.
It is the force needed to make an object with a mass of 1 kilogram accelerate by 1 kilogram per second squared.
It is the force needed to make an object with a mass of 1 kilogram travel 1 meter.
It is the force needed to make an object with a mass of 1 kilogram travel 1 meter.
It is the work done when a force of 1 newton is applied to accelerate an object by 1 kilogram per second squared.
It is the work done when a force of 1 newton is applied to accelerate an object by 1 kilogram per second squared.
It is the work done when a force of 1 newton is applied to an object for a distance of 1 meter.
7 answers
It is the work done when a force of 1 newton is applied to an object for a distance of 1 meter.
A soccer player kicks a ball, applying a force of 1,000 newtons over a distance of 0.2 meter. The ball travels 50 meters down the field before another player stops the ball. How much work was done during the kick?(1 point)
Responses
5,000 joules
5,000 joules
50,000 joules
50,000 joules
10 joules
10 joules
200 joules
Responses
5,000 joules
5,000 joules
50,000 joules
50,000 joules
10 joules
10 joules
200 joules
200 joules
A person raises a box with a weight of 50 newtons by 0.5 meter. How much work does the person do in this action?(1 point)
Responses
0.01 joule
0.01 joule
0.0 joules
0.0 joules
25 joules
25 joules
100 joules
Responses
0.01 joule
0.01 joule
0.0 joules
0.0 joules
25 joules
25 joules
100 joules
25 joules
A person gets a running start toward a wall from 5 meters away. The person pushes the wall with a force of 500 newtons, but the wall does not move. How much work is done by the person?(1 point)
Responses
0.01 joule
0.01 joule
0 joules
0 joules
100 joules
100 joules
2,500 joules
Responses
0.01 joule
0.01 joule
0 joules
0 joules
100 joules
100 joules
2,500 joules
0 joules