Major Competitive Exams

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Q. An object is thrown vertically upwards with a speed of 20 m/s. How high will it rise before coming to rest? (Take g = 10 m/s²) (2020)

A. 20 m
B. 40 m
C. 50 m
D. 80 m

Solution

Using the formula h = (u²)/(2g) = (20²)/(2 × 10) = 20 m.

Correct Answer: B — 40 m

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Q. An object is thrown vertically upwards with a speed of 20 m/s. How long will it take to reach the maximum height?

A. 1 s
B. 2 s
C. 3 s
D. 4 s

Solution

Time to reach maximum height (t) = u/g = 20/9.8 = 2.04 s.

Correct Answer: B — 2 s

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Q. An object is thrown vertically upwards with a speed of 30 m/s. How high will it rise before coming to rest?

A. 45 m
B. 60 m
C. 90 m
D. 120 m

Solution

Using the formula: h = (v² - u²) / (2g), where v = 0 m/s, u = 30 m/s, g = 9.8 m/s². h = (0 - 30²) / (2 * -9.8) = 45.92 m, approximately 45 m.

Correct Answer: B — 60 m

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Q. An object is thrown vertically upwards with a speed of 30 m/s. How high will it rise before coming to rest momentarily?

A. 45 m
B. 60 m
C. 90 m
D. 135 m

Solution

Using the formula: h = (v² - u²) / (2g), where v = 0 m/s (at the highest point), u = 30 m/s, g = 9.8 m/s². h = (0 - 30²) / (2 * -9.8) = 45.92 m, approximately 45 m.

Correct Answer: B — 60 m

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Q. An object is thrown vertically upwards with a velocity of 20 m/s. How high will it rise? (Assume g = 10 m/s²) (2020)

A. 20 m
B. 30 m
C. 40 m
D. 50 m

Solution

Using h = v²/(2g) = (20 m/s)² / (2 × 10 m/s²) = 20 m.

Correct Answer: A — 20 m

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Q. An object moves in a circular path with a radius of 10 m at a speed of 5 m/s. What is the period of the motion?

A. 2π s
B. 4π s
C. 10 s
D. 20 s

Solution

Period (T) = (2πr)/v = (2π * 10)/5 = 4π s.

Correct Answer: A — 2π s

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Q. An object moves in a straight line with a uniform speed of 10 m/s. How far will it travel in 15 seconds? (2023)

A. 100 m
B. 120 m
C. 150 m
D. 200 m

Solution

Distance = Speed × Time = 10 m/s × 15 s = 150 m.

Correct Answer: C — 150 m

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Q. An object moves in a straight line with a uniform speed of 30 m/s. How far will it travel in 15 seconds? (2022)

A. 300 m
B. 450 m
C. 600 m
D. 750 m

Solution

Distance = Speed × Time = 30 m/s × 15 s = 450 m.

Correct Answer: C — 600 m

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Q. An object moves in a straight line with a velocity of 10 m/s. If it accelerates at 2 m/s² for 5 seconds, what will be its final velocity?

A. 20 m/s
B. 30 m/s
C. 10 m/s
D. 15 m/s

Solution

Final velocity (v) = u + at = 10 + (2 * 5) = 20 m/s.

Correct Answer: B — 30 m/s

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Q. An object moves in a straight line with an acceleration of 2 m/s². If its initial velocity is 3 m/s, what will be its velocity after 5 seconds?

A. 8 m/s
B. 10 m/s
C. 13 m/s
D. 15 m/s

Solution

Final velocity (v) = u + at = 3 + (2 * 5) = 13 m/s.

Correct Answer: C — 13 m/s

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Q. An object moves in a straight line with an acceleration of 2 m/s². If its initial velocity is 10 m/s, what will be its velocity after 5 seconds?

A. 10 m/s
B. 20 m/s
C. 30 m/s
D. 40 m/s

Solution

Final velocity (v) = u + at = 10 + 2*5 = 20 m/s.

Correct Answer: C — 30 m/s

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Q. An object moves in a straight line with an acceleration of 2 m/s². If its initial velocity is 5 m/s, what will be its velocity after 3 seconds?

A. 5 m/s
B. 8 m/s
C. 11 m/s
D. 14 m/s

Solution

Final velocity (v) = u + at = 5 + (2 * 3) = 11 m/s.

Correct Answer: C — 11 m/s

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Q. An object moves in a straight line with an initial velocity of 5 m/s and accelerates at 2 m/s². What will be its velocity after 4 seconds?

A. 5 m/s
B. 13 m/s
C. 15 m/s
D. 20 m/s

Solution

Using the formula: final velocity = initial velocity + acceleration * time = 5 + 2 * 4 = 13 m/s.

Correct Answer: B — 13 m/s

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Q. An object moves with a constant speed of 15 m/s for 10 seconds. What distance does it cover?

A. 100 m
B. 150 m
C. 200 m
D. 250 m

Solution

Distance = speed * time = 15 m/s * 10 s = 150 m.

Correct Answer: B — 150 m

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Q. An object moves with a constant velocity of 10 m/s. What is the net force acting on it? (2023)

A. 0 N
B. 10 N
C. 20 N
D. 100 N

Solution

If the object moves with constant velocity, the net force acting on it is 0 N.

Correct Answer: A — 0 N

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Q. An object moves with a uniform acceleration of 2 m/s². If it starts from rest, what will be its velocity after 5 seconds?

A. 5 m/s
B. 10 m/s
C. 15 m/s
D. 20 m/s

Solution

Using the formula: v = u + at, where u = 0, a = 2 m/s², t = 5 s. v = 0 + 2 * 5 = 10 m/s.

Correct Answer: B — 10 m/s

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Q. An object moves with a uniform speed of 10 m/s. How far will it travel in 15 seconds?

A. 100 m
B. 150 m
C. 200 m
D. 250 m

Solution

Distance = speed * time = 10 m/s * 15 s = 150 m.

Correct Answer: B — 150 m

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Q. An object moves with a uniform speed of 15 m/s. How far will it travel in 10 seconds? (2022)

A. 100 m
B. 150 m
C. 200 m
D. 250 m

Solution

Distance = Speed × Time = 15 m/s × 10 s = 150 m.

Correct Answer: B — 150 m

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Q. An object moves with a uniform speed of 15 m/s. How far will it travel in 20 seconds?

A. 150 m
B. 300 m
C. 450 m
D. 600 m

Solution

Distance = speed * time = 15 m/s * 20 s = 300 m.

Correct Answer: B — 300 m

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Q. An object moves with a uniform speed of 15 m/s. How far will it travel in 4 minutes? (2023)

A. 300 m
B. 600 m
C. 900 m
D. 1200 m

Solution

Distance = Speed × Time = 15 m/s × (4 × 60 s) = 900 m

Correct Answer: C — 900 m

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Q. An object moves with a uniform speed of 20 m/s. How far will it travel in 15 seconds?

A. 200 m
B. 300 m
C. 400 m
D. 500 m

Solution

Distance = speed * time = 20 m/s * 15 s = 300 m.

Correct Answer: C — 400 m

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Q. An object moves with a uniform speed of 5 m/s. How far will it travel in 20 seconds? (2023)

A. 50 m
B. 75 m
C. 100 m
D. 125 m

Solution

Distance = speed * time = 5 m/s * 20 s = 100 m.

Correct Answer: C — 100 m

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Q. An object of mass 10 kg is moving with a velocity of 3 m/s. What is its kinetic energy? (2022)

A. 45 J
B. 30 J
C. 60 J
D. 15 J

Solution

Kinetic Energy (KE) = 0.5 × m × v² = 0.5 × 10 kg × (3 m/s)² = 45 J.

Correct Answer: B — 30 J

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Q. An object of mass 4 kg is moving with a velocity of 3 m/s. What is its kinetic energy? (2022)

A. 18 J
B. 24 J
C. 36 J
D. 12 J

Solution

Kinetic Energy (KE) = 1/2 mv² = 1/2 × 4 kg × (3 m/s)² = 18 J.

Correct Answer: B — 24 J

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Q. An object of mass 8 kg is acted upon by a net force of 32 N. What is the acceleration of the object? (2019)

A. 2 m/s²
B. 3 m/s²
C. 4 m/s²
D. 5 m/s²

Solution

Acceleration = Net force / Mass = 32 N / 8 kg = 4 m/s².

Correct Answer: C — 4 m/s²

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Q. An object of mass 8 kg is moving with a velocity of 5 m/s. What is its momentum? (2020)

A. 20 kg·m/s
B. 30 kg·m/s
C. 40 kg·m/s
D. 50 kg·m/s

Solution

Momentum = Mass × Velocity = 8 kg × 5 m/s = 40 kg·m/s.

Correct Answer: A — 20 kg·m/s

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Q. Arrange the following numbers in ascending order based on their factors: 15, 12, 18, 10. (2023)

A. 10, 12, 15, 18
B. 12, 10, 15, 18
C. 15, 10, 12, 18
D. 18, 15, 12, 10

Solution

The number of factors for each is: 10 (4), 12 (6), 15 (4), 18 (6). Arranging them gives 10, 12, 15, 18.

Correct Answer: A — 10, 12, 15, 18

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Q. Arrange the following sentences to create a logical sequence: 1. The sun was setting. 2. The sky turned a brilliant orange. 3. People gathered to watch the sunset. 4. It was a beautiful evening.

A. 1, 2, 3, 4
B. 2, 1, 4, 3
C. 3, 1, 2, 4
D. 1, 3, 4, 2

Solution

The sequence logically describes the setting sun, the resulting colors, and the people's reaction.

Correct Answer: A — 1, 2, 3, 4

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Q. Arrange the following sentences to create a logical sequence: 1. The team celebrated their victory. 2. They had worked hard throughout the season. 3. The final match was intense. 4. Their efforts paid off.

A. 2, 3, 4, 1
B. 1, 2, 3, 4
C. 3, 2, 1, 4
D. 4, 3, 2, 1

Solution

The logical order starts with their hard work, followed by the intense match, the payoff, and finally the celebration.

Correct Answer: A — 2, 3, 4, 1

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Q. Arrange the following sentences to create a logical sequence: 1. The team celebrated their victory. 2. They had worked hard throughout the season. 3. The final match was challenging. 4. Their efforts paid off.

A. 2, 3, 4, 1
B. 1, 2, 3, 4
C. 3, 2, 4, 1
D. 4, 3, 2, 1

Solution

The logical sequence starts with their hard work, followed by the challenge of the match, the payoff of their efforts, and finally the celebration.

Correct Answer: A — 2, 3, 4, 1

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Major Competitive Exams

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