General Physics 1 Finals Review

Which of the following best explains the motion of a projectile in its x-axis?

• It accelerates by -9.8 m/s².

• It has constant velocity.

• It has constant deceleration.

• none of the above.

A ball launched vertically upwards is accelerating.

• True

• False

What is the weight of 1 kg of rice?

• 1 kg

• 2 kg

• -1 N

• -9.8 N

Which of the following fundamental force keeps our moon in its orbit around our planet?

• strong nuclear force

• gravitational force

• electromagnetic force

• weak nuclear force

If a 1 kg vase is on top of a table. Calculate the normal force exerted by the table to the vase.

• 1 N

• 2 N

• 9.8 N

• 19.6 N

You yelled in pain after touching the metal ladle immersed in a hot saucepan. Which of the following heat transfer mechanism was demonstrated in the situation?

• conduction

• convection

• radiation

• transference

Which of the following statements is TRUE about phase change?

• When a solid changes to gas, it releases heat energy.

• When a liquid changes to gas, it releases heat energy.

• When a gas changes to liquid, it releases heat energy.

• When a liquid changes to a solid, it absorbs heat energy.

A ball was kicked horizontally on the edge of a cliff. What is its vertical acceleration?

• 0 m/s²

• 9.8 m/s²

• -9.8 m/s²

• insufficient information

A leaf fell from a tree. What is its initial vertical velocity?

• 0 m/s

• -9.8 m/s

• -19.6 m/s

• insufficient information

If the applied force is 4 N and the frictional force is 2 N. What is the net force?

• 2 N

• 4 N

• 6 N

• 8 N