Forces - Unit 5 Question Preview (ID: 62627)


Unit 5. TEACHERS: click here for quick copy question ID numbers.

Someone is pushing a box 5N West. Someone on the opposite side of the box is pushing the box 7N East. What is the net force?
a) 2N West
b) 2N East
c) 12N West
d) 12N East

Which of the following would never change no matter where you are in the universe?
a) Weight
b) Mass
c) Force
d) Pounds

If a bowling ball and a feather were dropped at the same time, in a room with no air resistance (vacuum), which object will hit the ground first?
a) The bowling ball
b) The feather
c) They will fall at the same time
d) Neither one will hit the ground

A ______ force must act on an object to CHANGE its motion.
a) Balanced
b) Electrical
c) Gravitational
d) Unbalanced

All objects in the universe have a gravitational attraction to each other
a) True
b) False
c)
d)

You are playing tug of war. Both teams are pulling as hard as they can but the rope is staying still. What kind of force is keeping the rope in the same position?
a) Balanced Force
b) Unbalanced Force
c) The Force
d) Air Resistance

What force holds the planets in motion around the sun?
a) Magnetic
b) Gravitational
c) Electrical
d) Air Resistance

Is gravity a push or a pull?
a) Push
b) Pull
c)
d)

Two people are playing tug of war against each other. If both people are pulling the rope with the same amount of force will the rope move?
a) Yes
b) No
c)
d)

A player hits a baseball with a bat. The action force is the impact of the bat against the ball. The reaction force is…..?
a) The grip of the players hand on the ball
b) The force of the ball against the bat
c) The air resistance of the ball
d)

How do you lower the friction force?
a) By a smooth surface
b) By not pushing hard
c) By a rough surface
d) By pushing down

With unbalanced forces, the object will move in the direction of the ______ force.
a) Larger
b) Smaller
c) Equal
d)

When you push a toy car down a ramp, the car eventually comes to a stop. A force opposes both the car and the ramp as they slide past each other. What is this force called?
a) Inertia
b) Friction
c) Unbalanced Force
d) Acceleration

What unit do Scientists use to measure force?
a) Meter
b) Pascal
c) Newton
d) Kilogram

As Newton says in his 3rd Law; for every action there is….?
a) An equal and opposite reaction
b) A different force
c) Two different forces
d) An equal and different reaction

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