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WorksheetsForces Revision
Total questions: 20
Worksheet time: 11mins
What are forces measured in?
kilograms
newtons
centimetres
litres
Which two of the following forces need to be stronger than the forces directly opposing them for the plane to take off?
lift
thrust
weight
drag
What is a dependent variable?
Something changed by the scientist in an experiment
Something which relies on the independent variable and can be altered in an experiment, based on the independent variable
A variable that is kept the same for every part of the experiment to keep all of the results consistent
The environment that an experiment is conducted in
This type of force resists motion between two surfaces that are in contact
contact
gravity
friction
If the net force is equal to zero, the forces acting on the object are
balanced
unbalanced
True or false: balanced forces cause movement.
true
false
What is the force due to gravity called?
height
weight
mass
kilograms
If you go to the Moon, your mass stays the same but your weight will change.
true
false
What force keeps us on the ground?
mass
upthrust
weight
magnetism
How will this object move?
it won't move
it will move to the right
it will move to the left
it will move up
What type of friction occurs when air pushes against a moving object?
surface area
air resistance
velocity
gravity
What equation links weight, mass and g
w = mg
w = g/m
w = m/g
w = mgm
w = 1/mg
An object has a mass of 10kg on Earth and goes to a planet where g is 2 times greater than Earth's. What is the object's mass on that planet?
20kg
10N
20N
10kg
200N
A child pulls on a toy with a force of 25N to the right. Another child pulls the toy with 15N to the left. The net force is:
1.7N to the right
1.7N to the left
10N to the right
10N to the left
___________ is the result of the weight of a column of air pushing on an area.
air pressure
density
volume
none of the above
What does pressure measure?
strength
force exerted on a given area of surface
What is the unit of pressure?
no
surface area
newton
pascal
A force exerted over a distance to move an object is ______________________.
power
work done
momentum
watt
If you push a cart with a force of 60N for 2m, how much work have you done?
120J
30J
120N
30N
