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push or pull that causes an object to change its speed and/or direction is –
The distance over which work is done.
force x distance
force
77 J
500 J
Work done by Harry is the same as the work done by Joshua.
It measures how much effort is applied over a certain distance.
The pulley changes the direction of the force applied.
Which of the following statements about work is true?
The distance over which work is done.
force x distance
force
77 J
500 J
Work done by Harry is the same as the work done by Joshua.
It measures how much effort is applied over a certain distance.
The pulley changes the direction of the force applied.
A ramp makes work easier by increasing:
The distance over which work is done.
force x distance
force
77 J
500 J
Work done by Harry is the same as the work done by Joshua.
It measures how much effort is applied over a certain distance.
The pulley changes the direction of the force applied.
Which of the following equations correctly describes the amount of work done?
The distance over which work is done.
force x distance
force
77 J
500 J
Work done by Harry is the same as the work done by Joshua.
It measures how much effort is applied over a certain distance.
The pulley changes the direction of the force applied.
Harry uses a force of 20 Newtons to move a box a distance of 4 meters. Joshua uses a force of 40 Newtons to move a box a distance of 2 meters. Which statement is TRUE?
The distance over which work is done.
force x distance
force
77 J
500 J
Work done by Harry is the same as the work done by Joshua.
It measures how much effort is applied over a certain distance.
The pulley changes the direction of the force applied.
Harry uses a single fixed pulley to lift water from a well. Which of the following statements regarding the pulley is true?
The distance over which work is done.
force x distance
force
77 J
500 J
Work done by Harry is the same as the work done by Joshua.
It measures how much effort is applied over a certain distance.
The pulley changes the direction of the force applied.
A kid applies a force of 70 Newtons to a ball over 1.1 meters. How much work did he do on the ball?
The distance over which work is done.
force x distance
force
77 J
500 J
Work done by Harry is the same as the work done by Joshua.
It measures how much effort is applied over a certain distance.
The pulley changes the direction of the force applied.
A force of 100 Newtons was used to push a 10 kilogram box through a distance of 5 meters. What is the amount of work done?
The distance over which work is done.
force x distance
force
77 J
500 J
Work done by Harry is the same as the work done by Joshua.
It measures how much effort is applied over a certain distance.
The pulley changes the direction of the force applied.
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