Calculate the work done in raising a 10 kg object to a height of 10 m:

• 980 J

• 1000 J

• 900 J

• 950 J

An object is moved with a force of 20 N over a distance of 10 m in 4 s. What is the power used?

• 50 Watt

• 40 Watt

• 60 Watt

• 30 Watt

A force of 60 N is applied to move a 20 kg object over a distance of 8 meters. How much work is done?

• 480 J

• 500 J

• 520 J

• 560 J

Calculate the kinetic energy of a 5 kg object moving at 8 m/s.

• 160 J

• 200 J

• 320 J

• 400 J

A person pulls a cart with a force of 50 N over a distance of 20 meters. How much work is done by the person?

• 500 J

• 800 J

• 1000 J

• 1200 J

What is the potential energy of a 15 kg object placed on a 3 m high table?

• 450 J

• 441 J

• 500 J

• 490 J

A 10 kg object is moving with a kinetic energy of 2,500 J. What is its velocity?

• 15.8 m/s

• 22.4 m/s

• 25.1 m/s

• 30 m/s

What is the term for the heat required to convert a liquid into a vapor without a temperature change?

• Fusion

• Condensation

• Vaporisation

• Sublimation

The SI unit of measuring current is:

• Volt

• Celsius

• Ampere

• Coulomb

Impulse is described as ______________.

• change in time

• change in force

• change in mass

• change in momentum