Unit - 3 - Motions, Forces and Moment

Fill in the blank: A train covers a distance of 300 km in 5 hours. The speed of the train is ______ 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?

• 50km/hr
• 40km/hr

• 80km/hr

• 17km/hr

What does the flat line indicate about the object’s motion?

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 ________.

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