When you give force to an object, and cause the object move, it's called...

• Work
• Force
• Energy
• Distance

The formula of work is Force : distance.

If Budi pushes an object with a force of 20N and the object moves 2m away. The work done is 40 Joules.

Rayhan moves a box from the 1st floor to the 2nd floor at a distance of 5m. If the force applied by Rayhan is 100N. The work done is...

• 20 N
• 50 N
• 500 N

a boy does a work of 400 Joules. If he moves the object 2 m distance, the force exerted is 800 N

The ability to do work is called energy.

Boiling water is an example of thermal energy.

A coconut on a coconut tree is an example of kinetic energy.

When you pull on the rubber, it expands, then when you release it, it returns to its original shape. This is an example of elastic energy.

Budi turned on the fan. There is electrical energy and .... energy in the fan.

• kinetic
• potential
• thermal

What type of energy does a moving ball have?

• Chemical energy
• Potential energy
• Kinetic energy
• Nuclear energy

Which of the following is an example of potential energy?

• A moving car
• A book on a shelf
• A spinning top
• A flowing river

Kinetic energy is the energy of motion.

Light from the sun is an example of chemical energy.

What is the formula for calculating potential energy?

• Ep = F . s
• Ep = m . g . h
• Ep = 1/2 . m . v^2

Based on your experiment, the marble rolling down on the wooden board. The faster marble rolling down, the kynetic energy is bigger than the slower marble..

A coconut on the tree with hight 2 m. If the mass of coconut is 1,5 kg. The potential energy is ... (g = 10 m/s^2)

• 300 Joules
• 30 joules

Pay attention on the picture. When the marble in the second position (green color), it has both potential and kynetic energy.

If a marble with velocity 2 m/s and mass 1 kg rolling down on the board. The kinetic energy is ...

• 4 Joules
• 2 Joules
• 0,4 Joules
• 0,2 Joules

Do you wan be a winner?

• Yes

• yes

• No

• no