WorksheetsFORCE AND ITS EFFECTS
Total questions: 25
Worksheet time: 13mins
Pulling water from a well using a rope and pulley is an example of
consequential force of friction.
contact force.
non-contact force.
consequential force of tension.
The value of the gravitational constant G on Earth is ____.
9.8 m/s2
98 m/s2
9.8 mm/s2
9.8 km/s2
Pick the incorrect statement from the options given below:
The force of push acts through a rigid connector.
The force of push can move a stationary object.
The force of push can act through space.
The force of push will move the object away from us.
If a ball weighs 49 N on the earth’s surface, what is its mass?
50 kg
500 g
500 mg
5 kg
What type of force is shown in the picture below?
Mechanical force
Muscular force
Gravitational force
Electrical force
Pick the correct effect of force from the list given below:
Force will always alter the mass of objects.
Force can never make a stationary object move.
Force can change the direction or can slow down a moving object.
Force will always pull an object towards us.
“Force can make moving objects move faster”- Find out the correct example to prove this effect from the list given below.
Applying the brakes in a moving car.
Pressing down on the accelerator of a moving car.
Switching off the engine of a moving car
All of the above.
Which effect of force does the picture below explain?
Force can change the shape of objects.
Force can make a stationary object move.
Force cannot alter the mass of an object.
Force will stop a moving object.
Match the following:
{i-I, ii-II, iii-III}
{i-II, ii-III, iii-I}
{i-II, ii-I, iii-III}
{i-III, ii-II, iii-I}
The force generated by machines is called_______ force.
muscular
electrical
mechanical
spinning
Gravitational forces are always ____, while magnetic forces can be _______ .
repulsive, attractive and repulsive
attractive, attractive and repulsive
repulsive, only attractive
attractive and repulsive, only repulsive
Two carton boxes A and B are placed on the ground. If mass of box A is 10 kg and mass of box B is twice the mass of box A, what will be the weight of
box B?
98 N
49 N
190 N
196 N
A speeding car stops slowly when its engine fails due to the force of ____.
gravitation
friction
both a and b
magnets
When placed in a coil carrying electric current, ____ can develop a strange property of attracting tiny bits of iron or steel towards themselves.
mercury
sodium
neon
nickel
Arrange the following statements in the correct order of occurrence.
I. Ball starts moving downward
II. Ball is thrown vertically upward.
III. The ball stops moving upward.
IV. The force of gravity slows down the ball.
II, IV, III, I
I, II, III, IV
I, III, IV, II
II, III, IV, I
______ force is considered when force is applied on an object.
Non-contact
Contact
Consequential
Gravitational
Pick the electrically neutral object form the list given below:
A plastic chair kept in a room.
A plastic spoon rubbed against a woollen cloth
A rain cloud floating in air
Rubbing two stones against each other
What happens when the man tries to push the stationery car?
The car moves forward immediately.
The car moves if the force applied is sufficient enough to move the car.
The direction of motion of the car changes.
The shape of the car changes and shrinks.
Force is measured in _____.
newton
kilogram
m/s2
calorie
Falling of snow from the sky is due to _____.
electrical force
magnetic force
gravitational force
mechanical force
Read the following statements and choose the correct option.
i) Electrical force is a contact force.
ii) Magnetic force can be a force of attraction or repulsion.
(i) is correct, (ii) is incorrect
both (i) and (ii) are correct
(i) is incorrect, (ii) is correct
both (i) and (ii) are incorrect
Fill in the blanks with correct action of force.
A-Pull, B-Push
A-Pull, B-Pull
A-Push, B-Pull
A-Push, B-Push
If a weight of 9.8 N is acting on an object placed on the surface of the earth, what is its mass?
10 kg
10 g
1 kg
1 mg
Force of pull can act through _______ connectors.
rigid
non-rigid
both a and b
fluid
_____ is an example of force at a distance.
Magnet attracting iron filings
Hammering a nail into the wall.
Compressing a spring
Throwing a ball into the basketball ring.
