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Worksheetsphysics forces
Total questions: 41
Worksheet time: 54mins
The unit of force is....
meter
meter/ second
Newton
forcemeter
Force acts on an object may change....
direction
shape
speed
all of the above
Friction can be increased by ___________
applying lubricants
using ball bearings
making rough surface
polish the surface
Which of the following is the advantage of frictional force?
produce heat
prevents from slipping while walking
slide easily
produce noise
What forces are A and B that act on the boat?
drag and thrust
upthrust and drag
lift and weight
upthrust and weight
The equation of weight is....
Weight = gravity x force
Weight = mass x gravity
Gravity = weight x mass
Mass = weight x gravity
Your mass will be changed if you travel to the moon.
True
False
Your weight will be changed if you travel to the moon.
True
False
Look at the picture. Is it balanced force or unbalanced force?
balanced force
unbalanced force
Look at the picture. Is it balanced force or unbalanced force?
balanced force
unbalanced force
thick the boxes which tell the correct statement about the picture.
It's unbalanced force
It's balanced force
The resultant force is zero
It has acceleration
What will happen to the car’s motion?
it will accelerate
it has deceleration
It is slowing down
It has constant speed
What is the girl's weight on the earth?
56 N
560 N
65 N
650 N
When the parachute opens. The skydiver falls but slows down. It because the drag is ____________ the weight.
smaller than
same as
greater than
none of them is correct
Thick the statements that tell the picture correctly.
The cart goes to the left
The cart goes to the right
The resultant force is 20N
The resultant force is 40N
Thick the correct statements about the picture
The cart goes forward
The cart goes backward
The resultant force is 30 N
The resultant force is 90N
What is the magnitude of GRAVITY of the earth?
8 N/Kg
9 N/Kg
10 N/Kg
11 N/Kg
_____________ is the amount of force pushing on a certain area.
weight
mass
pressure
If you keep the size of the force the same, for a large area, the pressure will be ________
higher
lower
same
Which formula is used to calculate pressure?
pressure = areaforce
pressure = force x area
pressure = forcearea
What is the unit of pressure?
newton
joules
pascal
If you keep the area the same, for a larger force, the pressure will be _________
lower
higher
same
All stationary (Still) objects have __________ forces on them.
unbalanced
balanced
high
If forces on an object are unbalanced, it will _______
make the object to move or change direction.
make it move at same speed.
it will remain still.
Forces acting on an object are said to be balanced, when
the forces are equal in size and are acting in opposite direction.
the forces are equal in size and are acting in same direction.
the forces are different in size and are acting in opposite direction.
The head of an arrow represent the __________ of force.
strength
length
direction
The sum of all forces acting on an object is called
unbalanced force.
balanced force.
resultant force.
A magnet cannot move which of the following objects?
a paper clip
a nail
a toothpick
a staple
Every magnet has a:
East and West pole
North and South pole
East and South pole
North and West pole
Chicago and Saint pole
The entire region surrounding a magnet is known as the:
Magnetic Domain
Lodestone
A Compass
Magnetic Field
Which one of the following forces is a contact force?
Gravity
Friction
Magnetic
Electrostatic
Which one of the following forces is a contact force?
Gravity
Friction
Magnetic
Electrostatic
