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You can create printable tests and worksheets from these Grade 9 Mechanics questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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Which form of energy does a plant store when light is transformed during photosynthesis?
1. chemical energy
2. thermal energy
3. mechanical energy
4. electrical energy
Newton's Third Law gets help from the first two laws. Which aspects of those laws are necessary to help explain Newton's Third Law of Motion? Select all answers that apply.
1. An object in motion tends to stay in motion
2. An object at rest tends to stay at rest
3. Force equals mass times acceleration
4. The greater the mass is, the greater the force necessary to accelerate that mass is
5. The acceleration of an object is parallel and directly proportional to the force created
6. For every action, there is an equal and opposite reaction
Energy stored in the bonds between atoms is called
1. kinetic energy.
2. mechanical energy.
3. chemical energy.
4. thermal energy.
An astronaut drops a hammer and an egg while standing on the surface of the Moon. Which one will hit the surface first?
1. the egg
2. the hammer
3. both will land at the same time
4. neither, both will float off into space
Newton's First Law is also known as
1. The Law of Velocity.
2. The Law of Gravity.
3. The Law of Inertia.
4. The Law of Conservation.
5. The Law of the Land.
The total amount of kinetic and potential energy in a system is called
1. chemical energy.
2. mechanical energy.
4. thermal energy.
A change in position is called                .
1. motion
2. displacement
3. acceleration
4. velocity

This question is a part of a group with common instructions. View group »

As the rubber band is released and moves forward, which of the following is true?
1. The total energy of the system is increasing.
2. Potential energy is being converted to kinetic energy.
3. Kinetic energy is being converted to potential energy.
4. All of the energy is disappearing from the system.