Force And Motion Question Preview (ID: 54192)


Force, Motion, Newton's Laws Of Motion. TEACHERS: click here for quick copy question ID numbers.

Which two tools should be used together to measure speed?
a) Balance and spring scale
b) Clock and a measuring tape
c) Meter stick and stopwatch
d) Ruler and graduated cylinder

Which surface has the least amount of friction?
a) wood
b) carpet
c) grass
d) sand

A boy is pulling his little sister in a wagon. If his older brother comes along and they pull on the wagon together, how will this increase in force affect the motion of the wagon?
a) It will accelerate
b) It will change direction
c) It will continue unchanged
d) It will remain at rest

Two classes are playing tug-of-war. If the center of the rope is not moving, what must be true?
a) Both classes are pulling equally.
b) Both classes have equal mass.
c) The forces are balanced
d) One class is pulling harder than the other

A girl is riding her bike on a smooth bike path. She starts on level ground. When she gets to a hill, she has to peddle harder to go the same speed. Why does this happen?
a) There is more wind resistance on the hill.
b) Her bike is slipping backwards down the hill.
c) The force of gravity is slowing down her bike
d) The friction on a hill is more than on level ground

A class is testing fan-powered sailboats. If the students increase the speed of the fan blowing on the sail, what will happen to the movement of the boat?
a) It will stop.
b) It will speed up.
c) It will change direction.
d) It will travel a shorter distance.

A row boat is floating on the water with two passengers. The weight of the boat is pushing on the water and the water is exerting an upward force called buoyancy on the boat. Which of Newton's Law is this?
a) Law 2
b) Law 1
c) Law 3
d)

What is a force?
a) push or pull
b) kinetic or potential energy
c) speed or acceleration
d) balanced or unbalanced forces

When objects remain in the same place it is called
a) balanced force
b) unbalanced force
c) gravity
d) friction

Speed can be found by calculating
a) Distance divided by Time
b) Time divided by Distance
c) Time times Distance
d)

What is the force that causes everything to be pulled down towards Earth?
a) gravity
b) friction
c) balanced forces
d) unbalanced forces

Force is measured in
a) Newtons
b) Meters
c) Inches
d) Feet

How to you describe an object that increases speed and changes direction?
a) acceleration
b) speed
c) balanced force
d) density

Friction causes objects to
a) slow down
b) speed up
c) change direction
d) accelerates

If John walks 10 km in 5 minutes what is his speed?
a) 2 km per hour
b) 5 km per hour
c) 20 km per hour
d)

Mary runs 1500 meters. What does she need to know to find out her speed?
a) her time from start to finish
b) her heart rate at the finish line
c) the number of steps she took
d) the direction she began running

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