Default Title

Question (21)

QN003471

A player kicks a stationary football. The football moves because:

(A) Balanced forces act
(B) Net force becomes zero
(C) Unbalanced force acts on it
(D) Friction disappears

Correct Answer: C

Explanation:

Link:

Report Error

Question (22)

QN003472

A force of 14 N acts leftward while another force of 9 N acts rightward. Net force is:

(A) 23 N leftward
(B) 5 N leftward
(C) 5 N rightward
(D) 23 N rightward

Correct Answer: B

Explanation:

14 − 9 = 5 N leftward.

Link:

Report Error

Question (23)

QN003473

Balanced forces can change:

(A) State of motion
(B) Shape of an object
(C) Velocity only
(D) Acceleration only

Correct Answer: B

Explanation:

Link:

Report Error

Question (24)

QN003474

A boat is pulled eastward by 500 N while water resistance acts westward by 500 N. The boat:

(A) Accelerates eastward
(B) Accelerates westward
(C) Has zero net force
(D) Sinks immediately

Correct Answer: C

Explanation:

Link:

Report Error

Question (25)

QN003475

Which of the following is an example of unbalanced force?

(A) A wall supporting a calendar
(B) A book resting on a desk
(C) A moving bicycle slowing down due to brakes
(D) A picture hanging motionless

Correct Answer: C

Explanation:

Link:

Report Error

Question (26)

QN003476

A net force of 45 N acts on an object towards north. Which statement is true?

(A) Forces are balanced
(B) Object cannot accelerate
(C) Forces are unbalanced
(D) Net force is zero

Correct Answer: C

Explanation:

Link:

Report Error

Question (27)

QN003477

A man pushes a wall with 200 N force but the wall does not move because:

(A) No force acts on wall
(B) Balanced forces act
(C) Gravity vanishes
(D) Friction becomes zero

Correct Answer: B

Explanation:

Link:

Report Error

Question (28)

QN003478

If two equal forces act in opposite directions on a moving car, the car:

(A) Must stop immediately
(B) Continues moving with constant velocity
(C) Accelerates rapidly
(D) Changes direction instantly

Correct Answer: B

Explanation:

Link:

Report Error

Question (29)

QN003479

A force of 75 N eastward and 50 N westward act on a body. Resultant force is:

(A) 125 N eastward
(B) 25 N eastward
(C) 25 N westward
(D) 125 N westward

Correct Answer: B

Explanation:

Opposite forces are subtracted.

Link:

Report Error

Question (30)

QN003480

Which statement is correct about unbalanced forces?

(A) Their resultant is zero
(B) They never change direction
(C) They produce acceleration
(D) They act only vertically

Correct Answer: C

Explanation:

Link:

Report Error

Question (21)

A player kicks a stationary football. The football moves because:

Explanation:

Link:

Question (22)

A force of 14 N acts leftward while another force of 9 N acts rightward. Net force is:

Explanation:

Link:

Question (23)

Balanced forces can change:

Explanation:

Link:

Question (24)

A boat is pulled eastward by 500 N while water resistance acts westward by 500 N. The boat:

Explanation:

Link:

Question (25)

Which of the following is an example of unbalanced force?

Explanation:

Link:

Question (26)

A net force of 45 N acts on an object towards north. Which statement is true?

Explanation:

Link:

Question (27)

A man pushes a wall with 200 N force but the wall does not move because:

Explanation:

Link:

Question (28)

If two equal forces act in opposite directions on a moving car, the car:

Explanation:

Link:

Question (29)

A force of 75 N eastward and 50 N westward act on a body. Resultant force is:

Explanation:

Link:

Question (30)

Which statement is correct about unbalanced forces?

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY