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WorksheetsMeasurement & Forces Junior 1
Total questions: 15
Worksheet time: 8mins
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?
50N to the left.
350N to the right.
350N to the left.
50N to the right.
Which of the following is an example of a contact force?
Electrostatic force (静电力）
Magnetic force
Frictional force
Gravitational force
15.6 m2 = ___________ cm2
1560
156000
If your physics teacher and Jia Qin fell in a vacuum, who would hit the ground first?
Physics teacher
Jia Qin
They would hit at the same time
What is the resultant force?
40 N to the left
40 N to the right
0 N
Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?
Balanced
Unbalanced
What force slows down a parachute?
water resistance
air resistance
gravitational force
magnetic force
Which of the following statement is the example of low friction?
a skydiver uses a parachute
a ladder leans against the wall
a student walks on the road
a hockey puck slides toward the goal
Force does not change the ______ of the object.
speed
direction
shape and size
mass
When an object is pushed along a horizontal surface to the right, friction will act on the object towards the ________ direction.
left
right
upward
downward
What is the best estimate for the LENGTH of a snail（蜗牛）?
3 mm
3 cm
3 m
3 km
Which has greater mass?
the apples
the oranges
neither
Which is heavier: 1 kg of feathers or 1 kg of bricks?
the feathers
the bricks
they weigh the same
When I use this I am measuring __________________.
mass
weight
force
length
True or False:
40 cm = 4000 m
true
false
