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10A person standing with a load on his body is doing work in science.
In science, work is done only when force causes displacement.
Work is equal to force multiplied by displacement.
The SI unit of work is watt.
1 joule is equal to 1 newton × 1 meter.
Walking and cycling are examples of work against friction.
Lifting a load upward is work against gravity.
Power is the total work done by a machine.
A person who does work in less time has more power.
1 horsepower is approximately equal to 746 watt.
Percentage: 0%
Which of the following is NOT considered work in science?
Work is defined as:
The SI unit of work is:
When is 1 joule of work done?
Work done against gravity occurs when:
Power is defined as:
The SI unit of power is:
If two people do same work but one takes less time, who has more power?
1000 watt is equal to:
Which is a unit of large power?
Work is done when force causes ______.
The SI unit of work is ______.
Work = force × ______.
1 joule = 1 N × ______ m.
Sliding an object is work against ______.
Lifting a load is work against ______.
Power is the rate of doing ______.
The SI unit of power is ______.
1 watt = 1 joule per ______.
1 horsepower ≈ ______.