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WorksheetsForces 2
Total questions: 25
Worksheet time: 19mins
Rubbing 2 sticks together to make a fire is an example of
magnetic force
friction
elastic spring force
gravity
What is an example of gravitational force?
picking up iron filings with a magnet
dropping a pencil on the ground
pushing a grocery cart
pulling a wagon
Who discovered gravity?
Albert Einstein
Thomas Edison
Sir Isaac Newton
Anders Celsius
The following are considered useful when testing effects of force of motion on an object EXCEPT
2 teams playing tug-of-war
paddling backwards in a boat
measuring the size of 2 marbles
throwing a baseball
What is force?
something that pulls objects toward each other
a push/pull that can move,stop,or change direction of object
the pulling of a magnet
the pushing of a magnet
What are the main forces acting on the skydiver?
friction and elastic spring force
gravity and magnetic force
air resistance and elastic spring force
air resistance and gravity
When an object falls, air resistance
does not act at all
acts in the same direction as the weight
acts in the opposite direction to the movement
A ball rolling along a flat tabletop will eventually come to rest. The ball stops because of
magnetic force
friction
elastic spring force
gravity
A piece of paper can be folded into a paper crane. The diagram above best shows a force can ___
stop a moving object
move a stationary object
change the direction of a moving object
change the shape of an object
Some bowling pins were knocked over. The diagram below best shows a force can _____.
change the shape of the bowling pins
stop a moving object
move the stationary bowling pins
A goalkeeper managed to stop a ball. The diagram shows a force can _____.
increase the speed of the ball
stop a moving ball
change the direction of the ball
move the stationary ball
A tennis ball is being hit back and forth between 2 players. This shows that a force can _____.
stop a moving tennis ball
move a stationary tennis ball
change the shape of the tennis ball
change the direction of the tennis ball
Which of the following statements about a force is false?
It can be seen.
It can be both a push and a pull.
Its effects can be observed and felt.
A spinning pinwheel turns faster when the speed of a fan is turned up. This shows that ____.
a force can change the shape of an object
a force can change the speed of a moving object
a force can change the position or direction of an object
a force can stop a moving object
Which of the following actions requires only a pull?
Using toothpaste
Hammering a nail
Opening a can drink
pushing a crate
A baker kneads dough. The force exerted causes a change in the ___ of the dough.
state
shape
weight
mass
What type of forces cause motion?
balanced forces
unbalanced forces
A stationary object doesn't move because
forces are balanced
forces are unbalanced
How much does a 10 kg rock weigh on Earth? gravity of the Earth is 9.8m/s2
10N
98N
980N
0.98N
Oil, grease, and wax......................... friction
increases
decreases
Which of the following is a disadvantage of friction?
It enables us to walk.
It enable us to hold objects firmly.
It cause wear and tear.
What do we use to measure force?
balance
force meter
What type of force is shown in the picture?
The Cat force
Star Wars Force
Unbalanced force
Balanced force
Which one is balanced?
top
bottom
both
