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WorksheetsUnit - 3 - Motions, Forces and Moment
Total questions: 20
Worksheet time: 40mins
Fill in the blank: A train covers a distance of 300 km in 5 hours. The speed of the train is (a) km/h.
Calculate the time taken for a car traveling at a speed of 80 km/h to cover 400 km.
5 hours
6 hours
2.5 hours
4.5 hours
What is the speed of the car based on the graph?
40km/hr
80km/hr
17km/hr
What does the flat line indicate about the object’s motion?
(a)
MCQ: In a distance-time graph, the steeper the slope, the ________.
Slower the speed
Faster the speed
Greater the distance covered
For the given distance-time graph to represent an object that travels. Choose the correct option:
Object travels at a constant speed, stops and then accelerates
Object accelerates, then travels at a constant speed and halts
Fill in the blank: An object at rest will remain at rest if the forces acting on it are (a) .
What happens to an object’s motion when unbalanced forces act on it?
It starts moving
It is at rest
A box is pushed with a force of 50 N, and friction opposes it with a force of 50 N. Will the box move?
Yes
No
MCQ: When an unbalanced force acts on an object, it causes:
Change in speed
Change in direction
Both a and b
Fill in the blank: The turning effect of a force is called (a) .
A person applies a force of 10 N on a door at a distance of 0.5 m from the hinge. Calculate the moment.
0.5Nm
5Nm
50Nm
0.005Nm
A seesaw with a child weighing 30 N sitting 2 m from the pivot and another child weighing 10N sitting 1 m away. Which side will tip down?
Child weighing 30N
Child weighing 10N
The seesaw is balanced
Fill in the blank: Pressure increases when the force _______ or the area ________.
Increases
decreases
MCQ: A force of 100 N is applied on an area of 2 m². What is the pressure?
50 Pa
200 Pa
100 Pa
Fill in the blank: In a gas, pressure is caused by the (a) of particles with the walls of the container.
MCQ: Why does perfume spread across a room when sprayed?
Gravity pulls it.
Particles of the perfume collide and mix with air particles.
The air pushes it outward.
The picture below is an example of _________________.
osmosis
isotonic
diffusion
active transport
When does diffusion stop?
After a day and a night
When the particles are evenly spread out
When there are no particles left
When all the particles leave the system
