9th Grade Review

Which of the following represents two vector quantities?

• Distance, Acceleration

• Kinetic Energy, Work

• Force, Displacement

• Electrostatic Force, Power

• Speed, Weight

Which one of the following is a fundamental (Basic) unit?

• Coulomb

• Ohm

• Volt

• Ampere

• Watt

• 246

• 252

• 256

• 262

• 266

• 2

• 4

• 6

• 8

• 10

A cubic object is heated.

I. Its mass will decrease.

II. Its volume will increase.

III. Its density will remain the same.

Which of the above statements can be true?

• Only I

• Only II

• Only III

• I and II

• II and III

• 155

• 160

• 165

• 170

• 175

• Melting

• Buoyancy

• Expansion

• Strength

• Surface Tension

• The average velocity of the object.

• The displacement of the object.

• The force acting on the object.

• The work done on the object.

• The kinetic energy of the object.

Which of the following is the correct definition of the displacement?

• Distance from a fixed point.

• Distance moved from a fixed point.

• Distance from a fixed point in a given direction.

• Distance moved in a given direction.

• Distance from the origin.

• 1,4,5,7

• 1,3,5,7

• 2,3,6,7

• 2,4,6,7

• 1,2,3,4